Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638295 | Vehicular movement indicator safety system | Robert B. Middlebrook | 1987-01-20 |
| 4379973 | Universal logic switch | Thompson Shek | 1983-04-12 |
| 4243853 | Rotary coded switch | — | 1981-01-06 |