Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308079 | Method and apparatus for a talkgroup call in a wireless communication system | Shaowei Pan, Rich Comroe, Shmuel Silverman, Mark O'Beirne | 2001-10-23 |
| 4926115 | Unique phase difference measuring circuit | George K. Tarleton, Robert J. Abrant | 1990-05-15 |