Murphy, Jr.; Frank W.

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Wide scale pointer arc, diaphragm gauge
- Patent number 5,355,733
- Issue date Oct 18, 1994
- Murphy, Jr.; Frank W.
- Frank W. Murphy
- G01 - MEASURING TESTING
Information Patent Grant
Hall effect signalling gauge
- Patent number 4,975,687
- Issue date Dec 4, 1990
- Frank W. Murphy Mfr.
- Frank W. Murphy
- G01 - MEASURING TESTING