Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091895 | Timing apparatus | Allan R. Hines | 1992-02-25 |
| 4812820 | Electronic surveillance system and transceiver unit therefor | — | 1989-03-14 |
| 4251035 | Position indicator | Roger H. S. Riordan | 1981-02-17 |