Paul S. Hamer

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San Ramon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for polyphase ground-fault circuit-interrupters
- Patent number 8,300,369
- Issue date Oct 30, 2012
- Chevron U.S.A. Inc.
- Paul S. Hamer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground-fault circuit-interrupter system for three-phase electrical...
- Patent number 7,301,739
- Issue date Nov 27, 2007
- Chevron U.S.A. Inc.
- Paul S. Hamer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR POLYPHASE GROUND-FAULT CIRCUIT-INTERRUPTERS
- Publication number 20110075304
- Publication date Mar 31, 2011
- Chevron U.S.A. Inc.
- Paul S. Hamer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Ground-fault circuit-interrupter system for three-phase electrical...
- Publication number 20070081281
- Publication date Apr 12, 2007
- Chevron U.S.A. Inc.
- Paul S. Hamer
- G01 - MEASURING TESTING