Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8199608 | System and method for adjusting sensitivity of an acoustic sensor | Kevin G. Piel, Christopher D. Martin, Richard A. Smith | 2012-06-12 |
| 8144010 | Glass-break shock sensor with validation | Richard A. Smith | 2012-03-27 |
| 8036063 | System and method for automatic sensitivity adjustment of an acoustic detector | Richard A. Smith | 2011-10-11 |
| 5323141 | Glass break sensor having reduced false alarm probability for use with intrusion alarms | — | 1994-06-21 |