Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915130 | Method and apparatus for scan operation in an integrated voice and data communication system | Mark D. Chapman, Thomas Ryan, Carlton R. Van Tassle | 2005-07-05 |
| 5371739 | Sequential polling bus access method for radio communication systems | — | 1994-12-06 |
| 5131040 | Method for backing up and erasing encryption keys | — | 1992-07-14 |