John K. Max

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Healdsburg, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Positive displacement piston flowmeter
- Patent number 4,561,304
- Issue date Dec 31, 1985
- John K. Max
- G01 - MEASURING TESTING
Information Patent Grant
Flow metering circuit and method
- Patent number 4,537,081
- Issue date Aug 27, 1985
- John K. Max
- G01 - MEASURING TESTING
Information Patent Grant
Flowmeter connecting rod assembly
- Patent number 4,450,720
- Issue date May 29, 1984
- John K. Max
- G01 - MEASURING TESTING