William W. Riopka

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Brampton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Switch with improved protection from ice conditions
- Patent number 7,223,928
- Issue date May 29, 2007
- S&C Electric Canada Ltd.
- William W Riopka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Switch with improved protection from ice conditions
- Publication number 20060174638
- Publication date Aug 10, 2006
- William W. Riopka
- H01 - BASIC ELECTRIC ELEMENTS