Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974650 | Interoperability between different types of wireless networks for push to talk group calls | Thomas P. Chu, Bryan Kadel, Ping Z. Perzentka, Charles W. Salisbury | 2011-07-05 |
| 7774012 | Method for RTP setup coordination for talk groups when interconnecting public safety wireless networks and commercial wireless networks | Thomas P. Chu, Bryan Kadel, Ping Z. Perzentka, Charles W. Salisbury | 2010-08-10 |