Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5524099 | Intrusion detector operating mode selection system | Richard A. Johnson, Richard Hess | 1996-06-04 |
| 5471195 | Direction-sensing acoustic glass break detecting system | — | 1995-11-28 |
| 5376919 | Vehicle intrusion detector | — | 1994-12-27 |
| 5164703 | Audio intrusion detection system | — | 1992-11-17 |