Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864717 | Modem for communicating data over a voice channel of a communications system | — | 2011-01-04 |
| 7652608 | Channelized analog-to-digital converter | Ronald F. Mathis, Stephen R. Mathis, Paul N. Huntley, James Crawford, William L. Floyd | 2010-01-26 |
| 6980147 | Channelized analog-to-digital converter | Ronald F. Mathis, Stephen R. Mathis, Paul N. Huntley, James Crawford, William L. Floyd | 2005-12-27 |
| 6522265 | Vehicle tracking and security system incorporating simultaneous voice and data communication | Robert L. Hillman | 2003-02-18 |
| 6320535 | Vehicle tracking and security system incorporating simultaneous voice and data communication | Robert L. Hillman | 2001-11-20 |
| 6140956 | Vehicle tracking and security system incorporating simultaneous voice and data communication | Robert L. Hillman | 2000-10-31 |
| 5408695 | Intelligent automatic deviation compensation for wireless modems | — | 1995-04-18 |