Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924450 | Ultrasonic ranging and data telemetry system | Hugh R. Brashear, Michael S. Blair, James E. Phelps, Martin L. Bauer | 1990-05-08 |
| 4443768 | Amplitude- and rise-time-compensated filters | — | 1984-04-17 |