Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684080 | Trunked radio repeater communication system including home channel aliasing and call grouping | Rory A. Smith, Mervin L. Grindahl | 2004-01-27 |
| 6529486 | Trunked radio repeater communication system | Rory A. Smith, Mervin L. Grindahl | 2003-03-04 |
| 6374115 | Method and apparatus for trunked radio repeater communications with backwards compatibility | Rory A. Smith, Mervin L. Grindahl | 2002-04-16 |
| 5815799 | Priority system for a wide area transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1998-09-29 |
| 5724515 | Packet radio communication system | Donald R. Bauman | 1998-03-03 |
| 5613196 | Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1997-03-18 |
| 5548802 | Method and apparatus for a remote network switch for a land mobile transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1996-08-20 |
| 5465386 | Signaling protocol for a distributive wide area transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1995-11-07 |
| 5440759 | Modular networking switch system for a distributive wide area transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1995-08-08 |
| 5159701 | Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system | Donald R. Bauman, Howard Neal Brace, Philip A. Keefer, Michael E. Mihelich | 1992-10-27 |
| 5040237 | Method and apparatus for an alternate home channel for a land mobile transmission trunked communication system | Donald R. Bauman, Philip A. Keefer | 1991-08-13 |