Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009521 | Power supply and interconnect detector system | Floyd Brooks, Romualdo Sonny Siazon, Derek Johnston | 2006-03-07 |
| 6762688 | Device with silencing circuitry | Derek Johnston, Vincent Mori, Edward C. Duran | 2004-07-13 |
| 6731207 | Modular detector system | Michael A. Swieboda, Mark A. Devine, Andrew J. Ivanecky, Derek Johnston, Romualdo Sonny Siazon +1 more | 2004-05-04 |
| 6377182 | Smoke detector with sensor having improved mounting configuration | Mark A. Devine, Mark Watson, Andrew J. Ivanecky, Lulzim Osmani, Samuel Lopez | 2002-04-23 |
| 6057774 | Smoke alarm with anti-dust screen | — | 2000-05-02 |