Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101378 | Pre-paid cellular telephone system | Russell A. Morris | 2000-08-08 |
| 6028892 | Voice band-based data transmission system | Russell A. Morris | 2000-02-22 |
| 5913176 | System for virtual connection to dedicated PSTN lines | — | 1999-06-15 |
| 5640417 | QAM detector which compensates for received symbol distortion induced by a cellular base station | Alan D. McGrath, John Godfrey McRory | 1997-06-17 |
| 5224119 | Vector FM modulator | Theo J. Smit | 1993-06-29 |