Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272053 | Physical security management system | Thomas R. Markham | 2012-09-18 |
| 8229131 | Systems and methods for delivering directional audio and personalized emergency alerts via addressable speakers | Thomas A. Plocher, Andrew G. Berezowski | 2012-07-24 |
| 8191139 | Intrusion detection report correlator and analyzer | Jon Schewe | 2012-05-29 |
| 7797116 | System and method of acoustic detection and location of fire sprinkler water discharge | Andrew G. Berezowski, Charles R. Obranovich, John Phelps, Michael D. Shields, Philip Zumsteg | 2010-09-14 |
| 7702112 | Intelligibility measurement of audio announcement systems | Charles R. Obranovich, Philip Zumsteg, Andrew G. Berezowski, John Phelps | 2010-04-20 |
| 7639147 | System and method of acoustic detection and location of audible alarm devices | Andrew G. Berezowski, Charles R. Obranovich, John Phelps, D. Michael Shields, Philip Zumsteg | 2009-12-29 |
| 7545263 | Audio-based presentation system | Thomas A. Plocher, Jeffrey M. Rye, Steve Huseth | 2009-06-09 |
| 7461289 | System and method for computer service security | Ryan A. VanRiper, David Musliner, Michael Pelican | 2008-12-02 |
| 7433821 | Methods and systems for intelligibility measurement of audio announcement systems | Charles R. Obranovich, Philip Zumsteg, Andrew G. Berezowski, John Phelps, D. Michael Shields | 2008-10-07 |