Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6188720 | Modulation and signaling converter | John Bertrand, Charles Francis Haight | 2001-02-13 |
| 4856030 | Apparatus and methods of locking a receiving modem to a transmitting modem employing a burst signal | Kristine N. Kneib | 1989-08-08 |