Wai Chun Cheng

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Kwai Chung, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrical wiring device with high current USB charging capabilities
- Patent number 8,758,031
- Issue date Jun 24, 2014
- Pass & Seymour, Inc.
- Wai Chun Cheng
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electrical Wiring Device with High Current USB Charging Capabilities
- Publication number 20130280956
- Publication date Oct 24, 2013
- Pass & Seymour, Inc.
- Wai Chun Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER