Helmut H. A. Krueger

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Fiber optic interferometric hydrophone
- Patent number 4,751,690
- Issue date Jun 14, 1988
- Gould Inc.
- Helmut H. A. Krueger
- G01 - MEASURING TESTING
Information Patent Grant
Geometric balance adjustment of thin film strain gage sensors
- Patent number 4,428,976
- Issue date Jan 31, 1984
- Gould Inc.
- Walter H. Eisele
- G01 - MEASURING TESTING
Information Patent Grant
Geometric balance adjustment of thin film strain gage sensors
- Patent number 4,331,035
- Issue date May 25, 1982
- Gould Inc.
- Walter H. Eisele
- G01 - MEASURING TESTING