Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672753 | Rotation sensor | Robert C. Steel | 1987-06-16 |
| 4302826 | Resonant acoustic transducer system for a well drilling string | Peter G. Mitchell | 1981-11-24 |
| 4181468 | Geothermal energy pump monitor and telemetric system | Anthony P. Nardi | 1980-01-01 |