Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880293 | Optic fiber shutter apparatus | B. David Gilliland, III, John R. Beard | 1989-11-14 |
| 4846462 | Girth monitoring belt | Bruce E. Regnier | 1989-07-11 |
| 4819225 | Redundant and fault tolerant communication link | — | 1989-04-04 |
| 4809339 | Audio transducer | Kelvin Shih | 1989-02-28 |
| 4798956 | Electro-optical windshield moisture sensing | — | 1989-01-17 |