Piero M. Derossi

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Turin, IT

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Patents Grantslast 30 patents

Information Patent Grant
Device for the leveling of the gyroscopic axis of a compass with a...
- Patent number 4,275,604
- Issue date Jun 30, 1981
- Piero M. Derossi
- G01 - MEASURING TESTING
Information Patent Grant
Follower device with differentiated speeds for gyrocompasses with m...
- Patent number 4,264,852
- Issue date Apr 28, 1981
- Piero M. Derossi
- G01 - MEASURING TESTING