William L. Chapman

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Waynoka, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Arc-safe electrical receptacles
- Patent number 6,678,131
- Issue date Jan 13, 2004
- RedGate Technologies, Inc.
- William L. Chapman
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Arc-safe electrical receptacles
- Publication number 20020154461
- Publication date Oct 24, 2002
- William L. Chapman
- H01 - BASIC ELECTRIC ELEMENTS