John A. Geen

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Wrentham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple axis ring laser gyroscope with longitudinal excitation
- Patent number 5,394,241
- Issue date Feb 28, 1995
- British Aerospace Public Limited Company
- John A. Geen
- G01 - MEASURING TESTING
Information Patent Grant
Micromachined accelerometer gyroscope
- Patent number 5,392,650
- Issue date Feb 28, 1995
- Northrop Grumman Corporation
- Benedict B. O'Brien
- G01 - MEASURING TESTING
Information Patent Grant
Miniature silicon accelerometer and method
- Patent number 5,205,171
- Issue date Apr 27, 1993
- Northrop Corporation
- Benedict B. O'Brien
- G01 - MEASURING TESTING