Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052604 | Exchange which controls M SIMs and N transceivers and method therefor | James William Bishop, Jr., Michael Frenzer, Stephen Magee, Larry Wuensch, Richard Ditch | 2000-04-18 |
| 6006084 | Method and apparatus for providing billing services for a mobile group of communication system users | Daniel R. Tayloe, Kenneth Lee Sowles, Baldev Sangha, Robert Thomas Frederick | 1999-12-21 |
| 6002929 | Exchange which extends SIM based authentication and method therefor | James William Bishop, Jr., Steve Magee | 1999-12-14 |
| 5974316 | System and method for enhancing ring alert terminations | Daniel R. Tayloe, Kenneth Lee Sowles, Robert Thomas Frederick | 1999-10-26 |
| 5956644 | Multiple-user communication unit and method for operating in a satellite communication system | Peter J. Armbruster, Daniel R. Tayloe | 1999-09-21 |
| 5918175 | Method and apparatus for registering mobile user groups | Daniel R. Tayloe, Kenneth Lee Sowles, Robert Thomas Frederick, Baldev Sangha | 1999-06-29 |
| 5790951 | Method and apparatus for receiving ring alert and paging data in an interference environment | Daniel R. Tayloe, Robert Thomas Frederick | 1998-08-04 |
| 5703595 | Method and apparatus for erratic doppler frequency shift compensation | Daniel R. Tayloe, Robert Thomas Frederick | 1997-12-30 |