Johan T. Farstad

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Sunbury, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Piezo electric transducer for measuring instantaneous vibration vel...
- Patent number 4,085,349
- Issue date Apr 18, 1978
- IRD Mechanalysis, Inc.
- Johan T. Farstad
- G01 - MEASURING TESTING
Information Patent Grant
Low frequency, high sensitivity electromechanical transducer
- Patent number 3,978,715
- Issue date Sep 7, 1976
- IRD Mechanalysis, Inc.
- Johan T. Farstad
- G01 - MEASURING TESTING