Barriac; Jacques
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barriac; Jacques.The latest application filed is for "gyroscopic navigational installations".
- Barriac; Jacques - Plaisir FR
| Patent | Date |
|---|---|
| Gyroscopic navigational installations Grant 4,530,237 - Barriac July 23, 1 | 1985-07-23 |
| Devices for measuring the azimuth and the slope of a drilling line Grant 4,244,116 - Barriac January 13, 1 | 1981-01-13 |
| Devices for the azimuth and slope scanning of a drilling line Grant 4,238,889 - Barriac December 16, 1 | 1980-12-16 |
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