Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563799 | Application module interface for hardware control signals in a private branch exchange (PBX) environment | David W. Haislett | 2003-05-13 |
| 4761800 | Method and apparatus for detecting a rate of data transmission | John D. Price, Ralph E. Richardson, Cu T. Than, Mark D. Vancura | 1988-08-02 |
| 4461013 | Frequency modulation transmitter for voice or data | Donald H. Nash | 1984-07-17 |
| 4418416 | Frequency modulation transmitter for voice or data | Donald H. Nash | 1983-11-29 |
| 4224482 | Mobile microphone-transmitter assembly | Charles F. Liebler, Dilipkumar B. Patel | 1980-09-23 |
| 4221932 | Infrared remote signaling system | Ronald Edward Anglikowski, George P. Hui, Donald H. Nash | 1980-09-09 |