David G. Alcazar

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and means for detection of hydrogen attack by ultrasonic wav...
- Patent number 4,890,496
- Issue date Jan 2, 1990
- Electric Power Research Institute
- Anmol S. Birring
- G01 - MEASURING TESTING
Information Patent Grant
Method of wear monitoring using ultrasonic phase comparison
- Patent number 4,711,120
- Issue date Dec 8, 1987
- Association of American Railroads
- Hegeon Kwun
- G01 - MEASURING TESTING