Norman G. Looper

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Common mode voltage rejection circuit
- Patent number 4,393,347
- Issue date Jul 12, 1983
- Action Instruments Co. Inc.
- Norman G. Looper
- G01 - MEASURING TESTING
Information Patent Grant
Ratiometric transparency meter
- Patent number 4,095,098
- Issue date Jun 13, 1978
- Norman G. Looper
- G01 - MEASURING TESTING