Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10637424 | Systems and methods of processing information regarding determination of gain of an audio amplifier | Mark Sompel, Robert B. Calhoun | 2020-04-28 |
| 10032351 | Systems and methods associated with detection of indoor gunfire | Robert L. Showen, James G. Beldock, Gregory A. Stone, Robert B. Calhoun | 2018-07-24 |
| 9240114 | Systems and methods associated with detection of indoor gunfire | Robert L. Showen, James G. Beldock, Gregory A. Stone, Robert B. Calhoun | 2016-01-19 |
| 8995227 | Systems and methods of processing information regarding weapon fire location using projectile shockwave and muzzle blast times of arrival data | — | 2015-03-31 |