The following list contains the 226 patents for which Edison executed an
application between January 1883 and December 1889. It is arranged in chronological order by
execution date, which is the date on which Edison signed the application and the date in the
patenting process that comes closest to the time of actual inventive activity. The application date
is the date on which the Patent Office received and recorded the application; the issue date, the
time at which the patent, having passed inspection and any legal challenges, was awarded.
| No. |
Executed | Applied |
Issued | Patent No. | Title |
|---|
| 427. | 01/13/83 | 01/22/83 | 05/29/83 | 278,415 | Manufacture of Incandescing Electric Lamps |
| 428. | 01/13/83 | 01/22/83 | 05/29/83 | 278,417 | Manufacture of Incandescing Electric Lamps |
| 429. | 01/13/83 | 01/22/83 | 07/17/83 | 281,349 | Regulator for Dynamo-Electric Machines |
| 430. | 01/13/83 | 01/22/83 | 08/28/83 | 283,985 | System of Electrical Distribution |
| 431. | 01/13/83 | 01/22/83 | 08/28/83 | 283,986 | System of Electrical Distribution |
| 432. | 01/13/83 | 01/22/83 | 09/22/91 | 459,835 | Manufacture of Incandescent Electric Lamps |
| 433. | 02/13/83 | 03/16/83 | 05/29/83 | 13,940 | Design for Incandescing Electric Lamp |
| 434. | 02/13/83 | 03/16/83 | 07/03/83 | 280,727 | System of Electrical Distribution |
| 435. | 02/13/83 | 03/16/83 | 12/25/88 | 395,123 | Circuit-Controller for Dynamo-Electric Machines |
| 436. | 02/17/83 | 03/16/83 | 10/30/83 | 287,521 | Dynamo or Magneto Electric Machine |
| 437. | 02/17/83 | 03/16/83 | 10/30/83 | 287,522 | Mold for Carbonizing |
| 438. | 02/17/83 | 03/16/83 | 10/14/90 | 438,299 | Manufacture of Carbon Filaments |
| 439. | 02/17/83 | 03/16/83 | 02/17/91 | 446,669 | Manufacture of Filaments for Incandescent Electric Lamps |
| 440. | 02/17/83 | 03/16/83 | 06/07/92 | 476,528 | Incandescent Electric Lamp |
| 441. | 03/05/83 | 03/16/83 | 07/17/83 | 281,351 | Electrical Generator |
| 442. | 03/05/83 | 03/16/83 | 08/28/83 | 283,984 | System of Electrical Distribution |
| 443. | 03/14/83 | 03/16/83 | 10/30/83 | 287,517 | System of Electrical Distribution |
| 444. | 04/05/83 | 04/17/83 | 08/28/83 | 283,983 | System of Electrical Distribution |
| 445. | 04/06/83 | 04/17/83 | 12/14/86 | 354,310 | Manufacture of Carbon Conductors |
| 446. | 04/06/83 | 04/17/83 | 09/20/87 | 370,123 | Electric Meter |
| 447. | 04/06/83 | 04/17/83 | 09/17/89 | 411,017 | Carbonizing-Flask |
| 448. | 04/12/83 | 04/20/83 | 09/20/87 | 370,124 | Manufacture of Filaments for Incandescing Electric Lights |
| 449. | 05/08/83 | 05/14/83 | 10/30/83 | 287,516 | System of Electrical Distribution |
| 450. | 05/08/83 | 05/14/83 | 05/11/86 | 341,839 | Incandescing Electric Lamp |
| 451. | 05/08/83 | 05/14/83 | 02/26/89 | 398,774 | Incandescent Electric Lamp |
| 452. | 06/01/83 | 06/07/83 | 09/20/87 | 370,125 | Electrical Transmission of Power |
| 453. | 06/01/83 | 06/07/83 | 09/20/87 | 370,126 | Electrical Transmission of Power |
| 454. | 06/01/83 | 06/07/83 | 09/20/87 | 370,127 | Electrical Transmission of Power |
| 455. | 06/01/83 | 06/07/83 | 09/20/87 | 370,128 | Electrical Transmission of Power |
| 456. | 06/01/83 | 06/07/83 | 09/20/87 | 370,129 | Electrical Transmission of Power |
| 457. | 06/01/83 | 06/07/83 | 09/20/87 | 370,130 | Electrical Transmission of Power |
| 458. | 06/01/83 | 06/07/83 | 09/20/87 | 370,131 | Electrical Transmission of Power |
| 459. | 06/01/83 | 06/07/83 | 10/14/90 | 438,300 | Gage for Testing Fibers for Incandescent-Lamp Carbons |
| 460. | 06/25/83 | 06/29/83 | 10/30/83 | 287,511 | Electric Regulator |
| 461. | 06/25/83 | 06/29/83 | 10/30/83 | 287,512 | Dynamo-Electric Machine |
| 462. | 06/25/83 | 06/29/83 | 10/30/83 | 287,513 | Dynamo-Electric Machine |
| 463. | 06/25/83 | 06/29/83 | 10/30/83 | 287,514 | Dynamo-Electric Machine |
| 464. | 06/25/83 | 06/29/83 | 10/30/83 | 287,515 | System of Electrical Distribution |
| 465. | 06/25/83 | 06/29/83 | 04/29/84 | 297,582 | Dynamo-Electric Machine |
| 466. | 06/25/83 | 06/29/83 | 10/20/85 | 328,572 | Commutator for Dynamo-Electric Machines |
| 467. | 06/25/83 | 06/29/83 | 06/24/90 | 430,934 | Electric-Lighting System |
| 468. | 06/25/83 | 06/29/83 | 10/14/90 | 438,301 | System of Electric Lighting |
| 469. | 07/27/83 | 10/10/83 | 04/29/84 | 297,583 | Dynamo-Electric Machine |
| 470. | 07/27/83 | 10/10/83 | 08/26/84 | 304,083 | Dynamo-Electric Machine |
| 471. | 07/27/83 | 10/10/83 | 08/26/84 | 304,084 | Device for Protecting Electric-Light Systems from Lightning |
| 472. | 07/27/83 | 10/10/83 | 10/14/90 | 438,302 | Commutator for Dynamo-Electric Machines |
| 473. | 07/27/83 | 10/10/83 | 06/07/92 | 476,529 | System of Electrical Distribution |
| 474. | 08/08/83 | 10/10/83 | 04/29/84 | 297,584 | Dynamo-Electric Machine |
| 475. | 08/08/83 | 10/10/83 | 10/21/84 | 307,030 | Electrical Meter |
| 476. | 09/14/83 | 09/19/83 | 09/02/90 | 435,688 | Process of and Apparatus for Generating Electricity |
| 477. | 09/14/83 | 10/10/83 | 04/29/84 | 297,585 | Incandescing Conductor for Electric Lamps |
| 478. | 09/14/83 | 10/10/83 | 04/29/84 | 297,586 | Electrical Conductor |
| 479. | 09/14/83 | 10/10/83 | 03/15/92 | 470,922 | Manufacture of Filaments for Incandescent Lamps |
| 480. | 10/09/83 | 11/01/83 | 01/31/93 | 490,953 | Art of Generating Electricity |
| 481. | 10/17/83 | 10/18/83 | 02/12/84 | 293,432 | Electrical Generator or Motor |
| 482. | 11/02/83 | 11/15/83 | 10/21/84 | 307,031 | Electrical Indicator |
| 483. | 11/10/83 | 11/13/83 | 03/02/86 | 337,254 | Telephone |
| 484. | 11/15/83 | 12/12/83 | 04/29/84 | 297,587 | Dynamo-Electric Machine |
| 485. | 11/15/83 | 12/12/83 | 05/20/84 | 298,954 | Dynamo-Electric Machine |
| 486. | 11/15/83 | 12/12/83 | 05/20/84 | 298,955 | Dynamo-Electric Machine |
| 487. | 11/15/83 | 12/12/83 | 08/26/84 | 304,085 | System of Electrical Distribution |
| 488. | 11/15/83 | 12/12/83 | 11/28/93 | 509,517 | System of Electrical Distribution |
| 489. | 11/20/83 | 11/22/83 | 04/15/90 | 425,761 | Incandescent Lamp |
| 490. | 12/15/83 | 01/04/84 | 02/12/95 | 534,206 | Filament for Incandescent Lamps |
| 491. | 12/15/83 | 01/24/84 | 08/26/84 | 304,086 | Incandescent Electric Lamp |
| 492. | 01/05/84 | 01/24/84 | 05/20/84 | 298,956 | Mode of Operating Dynamo-Electric Machines |
| 493. | 01/12/84 | 01/24/84 | 08/26/84 | 304,087 | Electrical Conductor |
| 494. | 01/22/84 | 01/28/84 | 09/18/94 | 526,147 | Art of Plating One Material with Another |
| 495. | 01/22/84 | 04/05/84 | 01/08/89 | 395,963 | Incandescent-Lamp Filament |
| 496. | 02/08/84 | 04/05/84 | 04/06/86 | 339,279 | System of Electrical Distribution |
| 497. | 02/09/84 | 03/19/84 | 03/17/85 | 314,115 | Chemical Stock Quotation Telegraph |
| 498. | 06/02/84 | 06/10/84 | 09/23/90 | 436,968 | Method of and Apparatus for Drawing Wire |
| 499. | 06/02/84 | 06/10/84 | 09/23/90 | 436,969 | Method of and Apparatus for Drawing Wire |
| 500. | 06/02/84 | 06/10/84 | 10/14/90 | 438,303 | Arc Lamp |
| 501. | 06/27/84 | 08/07/84 | 06/01/86 | 343,017 | System of Electrical Distribution |
| 502. | 07/16/84 | 08/07/84 | 10/23/88 | 391,595 | System of Electric Lighting |
| 503. | 09/12/84 | 10/02/84 | 10/20/85 | 328,573 | System of Electric Lighting |
| 504. | 09/12/84 | 10/02/84 | 10/20/85 | 328,574 | System of Electric Lighting |
| 505. | 09/12/84 | 10/02/84 | 10/20/85 | 328,575 | System of Electric Lighting |
| 506. | 09/24/84 | 10/02/84 | 10/23/88 | 391,596 | Incandescent Electric Lamp |
| 507. | 09/24/84 | 12/15/84 | 10/14/90 | 438,304 | Electric Signaling Apparatus |
| 508. | 10/21/84 | 12/01/84 | 03/04/90 | 422,577 | Apparatus for Speaking-Telephones |
| 509. | 12/03/84 | 12/15/84 | 10/27/85 | 329,030 | Telephone |
| 510. | 12/09/84 | 12/15/84 | 04/27/86 | 340,707 | Telephonic Repeater |
| 511. | 12/09/84 | 12/15/84 | 03/04/90 | 422,578 | Telephonic Repeater |
| 512. | 12/09/84 | 12/15/84 | 03/04/90 | 422,579 | Telephonic Repeater |
| 513. | 12/19/84 | 01/12/85 | 04/27/86 | 340,708 | Electrical Signaling Apparatus |
| 514. | 12/19/84 | 01/12/85 | 08/10/86 | 347,097 | Electrical Signaling Apparatus |
| 515. | 12/31/84 | 10/14/85 | 07/12/92 | 478,743 | Telephone-Repeater |
| 516. | 01/02/85 | 10/14/85 | 04/27/86 | 340,709 | Telephone-Circuit |
| 517. | 01/09/85 | 10/14/85 | 02/14/88 | 378,044 | Telephone-Transmitter |
| 518. | 01/12/85 | 10/14/85 | 08/24/86 | 348,114 | Electrode for Telephone-Transmitters |
| 519. | 01/14/85 | 10/14/85 | 10/14/90 | 438,305 | Fuse-Block |
| 520. | 03/27/85 | 04/07/85 | 10/05/86 | 350,234 | System of Railway Signaling |
| 521. | 03/27/85 | 04/07/85 | 11/22/92 | 486,634 | System of Railway Signaling |
| 522. | 04/27/85 | 05/08/85 | 12/29/85 | 333,289 | Telegraphy |
| 523. | 04/30/85 | 05/08/85 | 12/29/85 | 333,290 | Duplex Telegraphy |
| 524. | 05/06/85 | 05/16/85 | 12/29/85 | 333,291 | Way-Station Quadruplex Telegraphy |
| 525. | 05/14/85 | 05/23/85 | 12/29/91 | 465,971 | Means for Transmitting Signals Electrically |
| 526. | 10/07/85 | 10/23/85 | 02/25/90 | 422,072 | Telegraphy |
| 527. | 10/07/85 | 10/23/85 | 09/30/90 | 437,422 | Telegraphy |
| 528. | 11/12/85 | 11/24/85 | 02/25/90 | 422,073 | Telegraphy |
| 529. | 11/24/85 | 02/19/86 | 02/25/90 | 422,074 | Telegraphy |
| 530. | 11/30/85 | 02/19/86 | 09/02/90 | 435,689 | Telegraphy |
| 531. | 12/22/85 | 02/19/86 | 10/14/90 | 438,306 | Telephone |
| 532. | 12/28/85 | 01/13/86 | 10/05/86 | 350,235 | Railway-Telegraphy |
| 533. | 01/28/86 | 02/19/86 | 07/09/89 | 406,567 | Telephone |
| 534. | 02/17/86 | 02/18/86 | 05/03/92 | 474,232 | Speaking-Telegraph |
| 535. | 05/11/86 | 05/15/86 | 09/20/87 | 370,132 | Telegraphy |
| 536. | 07/15/86 | 07/17/86 | 09/17/89 | 411,018 | Manufacture of Incandescent Electric Lamps |
| 537. | 07/15/86 | 07/17/86 | 10/14/90 | 438,307 | Manufacture of Incandescent Electric Lamps |
| 538. | 07/15/86 | 07/19/86 | 03/24/91 | 448,779 | Telegraph |
| 539. | 07/20/86 | 07/29/86 | 09/17/89 | 411,019 | Manufacture of Incandescent Electric Lamps |
| 540. | 08/06/86 | 08/11/86 | 07/02/89 | 406,130 | Manufacture of Incandescent Electric Lamps |
| 541. | 09/30/86 | 10/05/86 | 11/02/86 | 351,856 | Incandescent Electric Lamp |
| 542. | 10/26/86 | 10/27/86 | 06/16/91 | 454,262 | Incandescent-Lamp Filament |
| 543. | 10/26/86 | 10/27/86 | 01/05/92 | 466,400 | Cut-Out for Incandescent Lamps |
| 544. | 10/26/86 | 10/27/86 | 10/11/92 | 484,184 | Manufacture of Carbon Filaments |
| 545. | 11/02/86 | 11/06/86 | 01/31/93 | 490,954 | Manufacture of Carbon Filaments for Electric Lamps |
| 546. | 11/09/86 | 12/06/86 | 10/14/90 | 438,308 | System of Electrical Distribution |
| 547. | 11/09/86 | 12/06/86 | 08/14/94 | 524,378 | System of Electrical Distribution |
| 548. | 11/22/86 | 11/29/86 | 07/05/87 | 365,978 | System of Electrical Distribution |
| 549. | 11/22/86 | 12/06/86 | 09/06/87 | 369,439 | System of Electrical Distribution |
| 550. | 11/24/86 | 11/29/86 | 06/19/88 | 384,830 | Railway Signaling |
| 551. | 11/26/86 | 12/06/86 | 03/27/88 | 379,944 | Commutator for Dynamo-Electric Machines |
| 552. | 11/26/86 | 12/06/86 | 09/17/89 | 411,020 | Manufacture of Carbon Filaments |
| 553. | 12/06/86 | 12/15/86 | 11/08/92 | 485,615 | Manufacture of Carbon Filaments |
| 554. | 12/06/86 | 12/15/86 | 11/08/92 | 485,616 | Manufacture of Carbon Filaments |
| 555. | 12/06/86 | 12/15/86 | 08/28/94 | 525,007 | Manufacture of Carbon Filaments |
| 556. | 12/10/86 | 12/16/86 | 09/06/87 | 369,441 | System of Electrical Distribution |
| 557. | 12/16/86 | 12/22/86 | 09/06/87 | 369,442 | System of Electrical Distribution |
| 558. | 12/16/86 | 12/27/86 | 09/06/87 | 369,443 | System of Electrical Distribution |
| 559. | 12/20/86 | 12/27/86 | 10/11/92 | 484,185 | Manufacture of Carbon Filaments |
| 560. | 12/20/86 | 12/27/86 | 02/12/95 | 534,207 | Manufacture of Carbon Filaments |
| 561. | 12/21/86 | 12/28/86 | 11/22/87 | 373,584 | Dynamo-Electric Machine |
| 562. | 02/07/87 | 03/08/87 | 02/16/92 | 468,949 | Converter System for Electric Railways |
| 563. | 05/24/87 | 06/13/87 | 03/27/88 | 380,100 | Pyromagnetic Motor |
| 564. | 05/24/87 | 06/13/87 | 06/14/92 | 476,983 | Pyromagnetic Generator |
| 565. | 06/01/87 | 06/04/87 | 06/07/92 | 476,530 | Incandescent Electric Lamp |
| 566. | 06/30/87 | 07/06/87 | 02/07/88 | 377,518 | Magnetic Separator |
| 567. | 08/09/87 | 08/19/87 | 03/15/92 | 470,923 | Railway-Signaling |
| 568. | 08/26/87 | 08/29/87 | 08/27/95 | 545,405 | System of Electrical Distribution |
| 569. | 09/13/87 | 09/23/87 | 03/27/88 | 380,101 | System of Electrical Distribution |
| 570. | 09/14/87 | 09/23/87 | 03/27/88 | 380,102 | System of Electrical Distribution |
| 571. | 09/26/87 | 09/30/87 | 03/15/92 | 470,924 | Electric Conductor |
| 572. | 10/17/87 | 10/21/87 | 07/07/96 | 563,462 | Method of and Apparatus for Drawing Wire |
| 573. | 11/05/87 | 12/09/87 | 06/26/88 | 385,173 | System of Electrical Distribution |
| 574. | 11/09/87 | 11/11/87 | 10/10/93 | 506,215 | Method of Making Plate Glass |
| 575. | 11/22/87 | 11/26/87 | 05/08/88 | 382,414 | Burnishing Attachment for Phonographs |
| 576. | 11/22/87 | 11/26/87 | 07/31/88 | 386,974 | Phonograph |
| 577. | 11/22/87 | 11/26/87 | 06/17/90 | 430,570 | Phonogram-Blank |
| 578. | 11/29/87 | 01/05/88 | 05/08/88 | 382,416 | Feed and Return Mechanism for Phonographs |
| 579. | 12/04/87 | 12/27/87 | 05/08/88 | 382,415 | System of Electrical Distribution |
| 580. | 12/05/87 | 01/05/88 | 05/08/88 | 382,462 | Phonogram-Blank |
| 581. | 01/17/88 | 01/30/88 | 10/18/92 | 484,582 | Duplicating Phonograms |
| 582. | 01/21/88 | 01/30/88 | 08/19/90 | 434,586 | Electric Generator |
| 583. | 01/21/88 | 01/30/88 | 08/19/90 | 434,587 | Thermo-Electric Battery |
| 584. | 01/30/88 | 02/04/88 | 05/08/88 | 382,417 | Process of Making Phonogram-Blanks |
| 585. | 02/02/88 | 02/06/88 | 09/11/88 | 389,369 | Incandescing Electric Lamp |
| 586. | 02/20/88 | 03/02/88 | 05/08/88 | 382,418 | Phonogram-Blank |
| 587. | 02/20/88 | 03/02/88 | 10/02/88 | 390,462 | Process of Making Carbon Filaments |
| 588. | 02/20/88 | 03/02/88 | 12/04/88 | 394,105 | Phonograph-Recorder |
| 589. | 02/20/88 | 03/02/88 | 12/04/88 | 394,106 | Phonograph-Reproducer |
| 590. | 03/03/88 | 03/08/88 | 05/08/88 | 382,419 | Process of Duplicating Phonograms |
| 591. | 03/03/88 | 03/08/88 | 04/15/90 | 425,762 | Cut-Out for Incandescent Electric Lamps |
| 592. | 03/19/88 | 03/29/88 | 01/15/89 | 396,356 | Magnetic Separator |
| 593. | 04/28/88 | 05/07/88 | 11/27/88 | 393,462 | Process of Making Phonogram-Blanks |
| 594. | 04/28/88 | 05/07/88 | 11/27/88 | 393,463 | Machine for Making Phonogram-Blanks |
| 595. | 04/28/88 | 05/07/88 | 11/27/88 | 393,464 | Machine for Making Phonogram-Blanks |
| 596. | 05/07/88 | 05/21/88 | 02/12/95 | 534,208 | Induction-Converter |
| 597. | 05/09/88 | 05/21/88 | 06/14/92 | 476,991 | Method of and Apparatus for Separating Ores |
| 598. | 05/22/88 | 06/07/88 | 04/02/89 | 400,646 | Phonograph Recorder and Reproducer |
| 599. | 05/22/88 | 06/07/88 | 12/20/92 | 488,190 | Phonograph-Reproducer |
| 600. | 05/26/88 | 05/29/88 | 12/20/92 | 488,189 | Phonograph |
| 601. | 06/21/88 | 07/02/88 | 03/15/92 | 470,925 | Manufacture of Filaments for Incandescent Lamps |
| 602. | 06/30/88 | 07/07/88 | 11/27/88 | 393,465 | Method of Preparing Phonograph Recording-Surfaces |
| 603. | 06/30/88 | 07/07/88 | 04/02/89 | 400,647 | Phonograph |
| 604. | 06/30/88 | 07/07/88 | 03/24/91 | 448,780 | Device for Turning Off Phonogram-Blanks |
| 605. | 07/14/88 | 07/17/88 | 11/27/88 | 393,466 | Phonograph-Recorder |
| 606. | 07/14/88 | 07/17/88 | 12/04/88 | 393,966 | Method of Recording and Reproducing Sounds |
| 607. | 07/14/88 | 07/17/88 | 12/04/88 | 393,967 | Method of Recording and Reproducing Sounds |
| 608. | 07/14/88 | 07/17/88 | 09/30/90 | 437,423 | Phonograph |
| 609. | 07/14/88 | 07/17/88 | 04/21/91 | 450,740 | Phonograph-Recorder |
| 610. | 07/14/88 | 07/17/88 | 11/08/92 | 485,617 | Incandescent-Lamp Filament |
| 611. | 07/14/88 | 07/30/88 | 06/17/90 | 430,274 | Phonogram-Blank |
| 612. | 07/16/88 | 07/30/88 | 03/24/91 | 448,781 | Turning-Off Device for Phonographs |
| 613. | 07/27/88 | 07/30/88 | 04/02/89 | 400,648 | Phonogram-Blank |
| 614. | 07/27/88 | 07/30/88 | 06/20/93 | 499,879 | Phonograph |
| 615. | 08/31/88 | 09/15/88 | 02/12/89 | 397,705 | Method of Winding Field-Magnets |
| 616. | 08/31/88 | 09/15/88 | 09/02/90 | 435,690 | Method of Making Armatures for Dynamo-Electric Machines |
| 617. | 09/12/88 | 09/20/88 | 06/17/90 | 430,275 | Magnetic Separator |
| 618. | 09/12/88 | 09/20/88 | 05/10/92 | 474,591 | Process of Extracting Gold from Sulphide Ores |
| 619. | 09/19/88 | 09/27/88 | 02/05/89 | 397,280 | Phonograph Recorder and Reproducer |
| 620. | 09/29/88 | 10/11/88 | 02/12/89 | 397,706 | Phonograph |
| 621. | 09/29/88 | 10/11/88 | 04/02/89 | 400,649 | Method of Making Phonogram-Blanks |
| 622. | 10/15/88 | 10/17/88 | 04/02/89 | 400,650 | Method of Making Phonogram-Blanks |
| 623. | 10/15/88 | 10/17/88 | 07/09/89 | 406,568 | Phonograph |
| 624. | 10/15/88 | 10/17/88 | 09/30/90 | 437,424 | Phonograph |
| 625. | 10/31/88 | 11/05/88 | 12/04/88 | 393,968 | Phonograph-Recorder |
| 626. | 01/10/89 | 01/19/89 | 07/09/89 | 406,569 | Phonogram-Blank |
| 627. | 01/10/89 | 01/19/89 | 12/20/92 | 488,191 | Phonogram-Blank |
| 628. | 01/12/89 | 01/15/89 | 06/17/90 | 430,276 | Phonograph |
| 629. | 02/01/89 | 02/11/89 | 07/09/89 | 406,570 | Phonograph |
| 630. | 02/01/89 | 02/11/89 | 07/09/89 | 406,571 | Process of Treating Phonogram-Blanks |
| 631. | 02/01/89 | 02/11/89 | 07/09/89 | 406,572 | Automatic Determining Device for Phonographs |
| 632. | 02/01/89 | 02/11/89 | 07/09/89 | 406,573 | Automatic Determining Device for Phonographs |
| 633. | 02/01/89 | 02/11/89 | 07/09/89 | 406,574 | Automatic Determining Device for Phonographs |
| 634. | 02/01/89 | 02/11/89 | 07/09/89 | 406,575 | Automatic Determining Device for Phonographs |
| 635. | 02/01/89 | 02/11/89 | 06/17/90 | 430,277 | Automatic Determining Device for Phonographs |
| 636. | 02/01/89 | 02/11/89 | 09/30/90 | 437,425 | Phonograph-Recorder |
| 637. | 02/01/89 | 02/16/89 | 07/09/89 | 406,576 | Phonogram-Blank |
| 638. | 03/22/89 | 03/25/89 | 11/12/89 | 414,759 | Phonogram-Blank |
| 639. | 03/22/89 | 03/25/89 | 11/03/91 | 462,540 | Incandescent Electric Lamp |
| 640. | 03/22/89 | 03/30/89 | 11/12/89 | 414,760 | Phonograph |
| 641. | 04/08/89 | 04/10/89 | 06/17/90 | 430,278 | Phonograph |
| 642. | 04/25/89 | 05/11/89 | 10/14/90 | 438,309 | Method of Insulating Electrical Conductors |
| 643. | 06/15/89 | 07/02/89 | 03/11/90 | 423,039 | Phonograph for Dolls or other Toys |
| 644. | 06/15/89 | 07/02/89 | 04/29/90 | 426,527 | Automatic Determining Device for Phonographs |
| 645. | 06/15/89 | 07/02/89 | 06/17/90 | 430,279 | Voltaic Battery |
| 646. | 06/29/89 | 07/02/89 | 10/10/93 | 506,216 | Apparatus for Making Glass |
| 647. | 07/16/89 | 08/10/89 | 11/12/89 | 414,761 | Phonogram-Blank |
| 648. | 07/20/89 | 07/29/89 | 06/17/90 | 430,280 | Magnetic Separator |
| 649. | 07/20/89 | 08/10/89 | 09/30/90 | 437,426 | Phonograph |
| 650. | 11/14/89 | 11/18/89 | 12/29/91 | 465,972 | Phonograph |
| 651. | 12/11/89 | 12/27/89 | 12/30/90 | 443,507 | Phonograph |
| 652. | 12/11/89 | 12/27/89 | 03/23/94 | 513,095 | Phonograph |
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