Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721529 | Individual smoke detector with stored range of acceptable sensitivity | Burton Warner Vane | 1998-02-24 |
| 5699043 | Individual smoke detector with sensitivity calibration and monitoring | Burton Warner Vane | 1997-12-16 |
| 5552765 | Smoke detector with individually stored range of acceptable sensitivity | Burton Warner Vane | 1996-09-03 |
| 5543777 | Smoke detector with individual sensitivity calibration and monitoring | Burton Warner Vane | 1996-08-06 |
| 5382944 | Supervised PIR motion-detection system | William DiPoala | 1995-01-17 |
| 4920268 | Passive infrared detection system with substantially uniform sensitivity over multiple detection zones | Robert Edwin Walters | 1990-04-24 |
| 4746906 | Dual technology intruder detection system with modular optics | — | 1988-05-24 |
| D293089 | Smoke detector housing | — | 1987-12-08 |
| 4689486 | Folded optical system for radiation detection device | — | 1987-08-25 |
| 4442359 | Multiple field-of-view optical system | — | 1984-04-10 |
| D261740 | Intruder detector housing | — | 1981-11-10 |
| 4224608 | Single terminal detection system | — | 1980-09-23 |