Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506253 | Supervisory and control circuit for alarm system | Robert W. Right, George W. Killian | 1985-03-19 |
| 4506254 | Alarm system with detectors and signaling devices on the same cable pair | Robert W. Right | 1985-03-19 |
| 4198625 | Dual alarm detection on single loop | Robert W. Right | 1980-04-15 |