Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157638 | High density packet switch with high speed interfaces and method for using same | Peter J. Armbruster, Kajana Aswath Rao | 2000-12-05 |
| 6138012 | Method and apparatus for reducing signal blocking in a satellite communication system | Michael William Krutz, James P. Redden | 2000-10-24 |
| 6112087 | Method and apparatus for user-aided registration | — | 2000-08-29 |
| 6047161 | Satellite communication system and method thereof | Kenneth Lee Sowles, Peter J. Armbruster, Raymond J. Leopold | 2000-04-04 |
| 6006084 | Method and apparatus for providing billing services for a mobile group of communication system users | Nathan West Miller, Kenneth Lee Sowles, Baldev Sangha, Robert Thomas Frederick | 1999-12-21 |
| 5987325 | Multiple smart card phone and method | — | 1999-11-16 |
| 5974316 | System and method for enhancing ring alert terminations | Nathan West Miller, Kenneth Lee Sowles, Robert Thomas Frederick | 1999-10-26 |
| 5956644 | Multiple-user communication unit and method for operating in a satellite communication system | Nathan West Miller, Peter J. Armbruster | 1999-09-21 |
| 5933785 | Telephone and method for concurrent registration of two identification numbers using multi-number sim card | — | 1999-08-03 |
| 5920804 | Method and apparatus for communications hand-off between multiple satellite systems | Peter J. Armbruster, Kenneth Lee Sowles | 1999-07-06 |
| 5920803 | Method and apparatus for message delivery in a communication system having orbiting transmitters | — | 1999-07-06 |
| 5918175 | Method and apparatus for registering mobile user groups | Nathan West Miller, Kenneth Lee Sowles, Robert Thomas Frederick, Baldev Sangha | 1999-06-29 |
| 5862480 | Method and apparatus for managing service accessibility between differing radio telecommunication networks | Johanna Wild, James William Bishop, Jr., William Neil Robinson | 1999-01-19 |
| 5826190 | Emergency handoff method of redirecting calls in a satellite communication system | Michael William Krutz, Bradley B. Bakke | 1998-10-20 |
| 5826188 | Method and apparatus for handing off calls between differing radio telecommunication networks | Johanna Wild, James William Bishop, Jr., William Neil Robinson | 1998-10-20 |
| 5809418 | Position-dependent call connection method and apparatus in a radio-communication system | — | 1998-09-15 |
| 5790954 | Methods of requesting volunteers for handoff in a cellular system | Victor Hawes Cutler, Jr., Gerald Joseph Davieau | 1998-08-04 |
| 5790073 | Radio telecommunication network with fraud-circumventing registration | Dean Paul Vanden Heuvel, Joseph Lester, Scott David Blanchard, Johanna Wild | 1998-08-04 |
| 5790951 | Method and apparatus for receiving ring alert and paging data in an interference environment | Nathan West Miller, Robert Thomas Frederick | 1998-08-04 |
| 5774806 | Method and system for dynamically balancing ring alert and attach-detach registration traffic | Kenneth Lee Sowles, Edward J. Neyens | 1998-06-30 |
| 5752187 | Method and apparatus for optimal hand-offs in a satellite cellular communication system | Mark Frank, Dariusz Andrzej Blasiak | 1998-05-12 |
| 5710805 | Combined registration and call continuation method and apparatus for a mobile communication system | Peter J. Armbruster, Kenneth Lee Sowles, James William Bishop, Jr. | 1998-01-20 |
| 5703595 | Method and apparatus for erratic doppler frequency shift compensation | Nathan West Miller, Robert Thomas Frederick | 1997-12-30 |
| 5697056 | Communication system in which radio subscriber units mitigate interference | — | 1997-12-09 |
| 5689803 | Dial-back call completion method and apparatus in a radio-communication system | — | 1997-11-18 |