Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5937333 | Method and apparatus for adjusting inbound transmission reliability in a two-way messaging system | Thomas A. Sexton, Robert L. Breeden | 1999-08-10 |
| 5905945 | Method and apparatus for improving the reliability of communicating a message from a portable subscriber unit to a base receiver in a two-way radio messaging system | Slim Souissi, Thomas V. D'Amico, Robert J. Schwendeman | 1999-05-18 |
| 5857155 | Method and apparatus for geographic based control in a communication system | Bernard Carl Olson, George Brooke Neville, Mark Appel, Gregory L. Cannon | 1999-01-05 |
| 5848357 | Method and apparatus in a radio communication system for implementing a frequency reuse plan | Leo G. Dehner, Kevin L. Baum | 1998-12-08 |
| 5845213 | Method and apparatus for minimizing traffic in a two way wireless messaging system | Terence Edward Sumner, Thomas V. D'Amico, Zhonghe Wang, Jyh-Han Lin, Alain Charles Briancon +2 more | 1998-12-01 |
| 5805977 | Method and apparatus for controlling transmissions in a two-way selective call communication system | Thomas V. D'Amico, Robert J. Schwendeman | 1998-09-08 |
| 5724662 | Method an apparatus in a radio communication system for assigning and utilizing sets of transmitters | Steven Jeffrey Goldberg | 1998-03-03 |
| 5710976 | Method and apparatus for reducing noise interference to improve outbound message reliability in a two-way messaging system | Thomas V. D'Amico | 1998-01-20 |
| 5694454 | Apparatus for message re-transmission on demand | Kwok Keung Choi, Tri T. Dang, Lowell C. Hufferd, III | 1997-12-02 |
| 5574975 | Paging method using power shifted transmitters | — | 1996-11-12 |
| 5537683 | Radio paging system with antenna pattern exhibiting high diversity gain | Kazimierz Siwiak | 1996-07-16 |
| 4528516 | Differential amplifier with dynamic thermal balancing | — | 1985-07-09 |
| 4510461 | Phase lock loop having switchable filters and oscillators | Eric J. Dickes, Robert T. Flegal | 1985-04-09 |