David Langham

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Sydney, CA

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Patents Grantslast 30 patents

Information Patent Grant
Power transfer switch assembly
- Patent number 7,030,514
- Issue date Apr 18, 2006
- DynaGen Technologies Incorporated
- Paul Wareham
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power transfer switch assembly
- Publication number 20060138868
- Publication date Jun 29, 2006
- Paul C. Wareham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power transfer switch assembly
- Publication number 20030034693
- Publication date Feb 20, 2003
- DynaGen Technologies Incorporated
- Paul C. Wareham
- H01 - BASIC ELECTRIC ELEMENTS