Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884265 | Digital demodulator for frequency-division-multiplexed signals | Guy Ellis | 1989-11-28 |
| 4215427 | Carrier tracking apparatus and method for a logging-while-drilling system | William N. Waggener | 1980-07-29 |
| 4185246 | Circuit for reducing transients by precharging capacitors | — | 1980-01-22 |