Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413531 | Doppler flowmeter | Apostolos C. Raptis | 1983-11-08 |
| 4255973 | Digital pressure transducer for use at high temperatures | — | 1981-03-17 |
| 4238725 | Apparatus for checking the direction of polarization of shear-wave ultrasonic transducers | — | 1980-12-09 |