Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D341763 | Socket for a screwdriver | — | 1993-11-30 |
| 5060879 | Fixture for attaching recording tape leader to a tape reel | — | 1991-10-29 |
| D312034 | Screw driver bit | — | 1990-11-13 |
| D311483 | Screw driver bit | — | 1990-10-23 |
| 4899946 | Apparatus for inspection and repair of recording tape cassettes | Helen P. Espin, Thomas Senn, Harry M. Joyner, Jr. | 1990-02-13 |
| 4765050 | Apparatus and method for disassembling a magnetic tape cassette | — | 1988-08-23 |
| 4496999 | Video tape cassette and device therefor | — | 1985-01-29 |