Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566227 | System and method for connection of cellular base stations to a mobile switching center using dial up telephone circuits | — | 1996-10-15 |
| 5548816 | Method and system for locating mobile units in a cellular telephone system by use of virtual location areas | — | 1996-08-20 |
| 5402470 | System and method for connection of cellular base stations to a mobile switching center using dial up telephone circuits | — | 1995-03-28 |
| 4698839 | Mobile telephone switching office | Donald Harper, Thomas D. Short | 1987-10-06 |
| 4523308 | Telephone concentrator switch arrangement | John W. Bull, Leon Croft, Russell R. Davis, David L. Hinshaw, Haresh Jotwani +6 more | 1985-06-11 |