Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311826 | Pre-filter system | Jesse Ryan Swofford | 2022-04-26 |
| 5283549 | Infrared sentry with voiced radio dispatched alarms | J. Sutton Mehaffey | 1994-02-01 |
| 4392129 | Multiplexed liquid crystal display | Aleksander Szlam | 1983-07-05 |
| 4310725 | Interface for private branch exchange | — | 1982-01-12 |
| 4286118 | Data distribution system for private automatic branch exchange | Aleksander Szlam | 1981-08-25 |