John Touhalisky

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Eastlake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reference standard for calibration of ultrasonic arrays
- Patent number 4,660,419
- Issue date Apr 28, 1987
- TRW Inc.
- Thomas Derkacs
- G01 - MEASURING TESTING
Information Patent Grant
Phased array inspection of cylindrical objects
- Patent number 4,523,468
- Issue date Jun 18, 1985
- TRW Inc.
- Thomas Derkacs
- G01 - MEASURING TESTING