William A. Holmgren

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Colorado Springs, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Capacitive sensor and electronic circuit for non-contact distance m...
- Patent number 4,924,172
- Issue date May 8, 1990
- Kaman Instrumentation Corporation
- William A. Holmgren
- G01 - MEASURING TESTING
Information Patent Grant
Inductive sensor for detecting displacement of adjacent surfaces
- Patent number 4,816,759
- Issue date Mar 28, 1989
- Kaman Corporation
- Gregory H. Ames
- G01 - MEASURING TESTING
Information Patent Grant
Non-contact distance measurement system
- Patent number 4,160,204
- Issue date Jul 3, 1979
- Kaman Sciences Corporation
- William A. Holmgren
- G01 - MEASURING TESTING