Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365164 | Vital contact isolation circuit | — | 1982-12-21 |
| 4365298 | Speed control systems for governing the speed of a vehicle | David Rutherford | 1982-12-21 |
| RE30986 | Vital relay driver having controlled response time | — | 1982-06-29 |
| 4320880 | Electronic track current switching relay system | — | 1982-03-23 |