Roy; J. Edwin

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Lafayette, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable pressure sensing piston mechanism
- Patent number 4,304,253
- Issue date Dec 8, 1981
- Roy; J. Edwin
- Harry Roger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Adjustable pressure sensing piston mechanism
- Patent number 4,258,741
- Issue date Mar 31, 1981
- Roy; J. Edwin
- Harry Roger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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