Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6188429 | Video TTY device and method for videocommunication | Bryan R. Martin, Truman Joe | 2001-02-13 |
| 5978014 | Video TTY device and method for videoconferencing | Bryan R. Martin, Truman Joe | 1999-11-02 |