Kerry D. Johanson

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Atascadero, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Flow-no-flow tester
- Patent number 5,289,728
- Issue date Mar 1, 1994
- JR Johanson, Inc.
- Jerry R. Johanson
- G01 - MEASURING TESTING
Information Patent Grant
Flow-no-flow tester
- Patent number 5,117,699
- Issue date Jun 2, 1992
- JR Johanson, Inc.
- Jerry R. Johanson
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and test method for determining flow or no flow condition...
- Patent number 4,719,809
- Issue date Jan 19, 1988
- JR Johanson, Inc.
- Jerry R. Johanson
- G01 - MEASURING TESTING