Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5551063 | Method and apparatus for establishing a private conversation for more than two mobile units in a trunked system | Jeffrey Brandon | 1996-08-27 |
| 5070521 | Method and apparatus for call source identification | Shawn A. Warner | 1991-12-03 |