| 6432074 |
Extension indicators |
Colin Dennis Ager, Alaric Naiman, Tim Jones, Julian Scarfe, Edward Colby |
2002-08-13 |
| 6169880 |
Method and system of load sharing and prioritization of radio repeaters |
Laurence A. La Fratta |
2001-01-02 |
| 6047160 |
Transportable base station for a trunked radio communication system |
Peter M. Mangum, Steven T. Dreon |
2000-04-04 |
| 6038436 |
Method and apparatus for conserving power in portable, battery-operated radios |
— |
2000-03-14 |
| 5857144 |
In-band vehicular repeater for trunked radio system |
Peter M. Mangum, Clyde R. Butler, Jr., Steven T. Dreon, Laurence A. La Fratta, Gary J. Pitcher |
1999-01-05 |
| 5787338 |
Method and apparatus for controlling operation of a portable or mobile battery-operated radios |
— |
1998-07-28 |
| 5761622 |
Method and apparatus for controlling operation of a portable or mobile battery-operated radios |
— |
1998-06-02 |
| 5745842 |
Method and apparatus for controlling operation of a portable or mobile battery-operated radios |
— |
1998-04-28 |
| 5481610 |
Digital radio transceiver with encrypted key storage |
Timothy J. Doiron, Steven T. Dreon |
1996-01-02 |
