Oscar Chen

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ShangHai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for plug-in and plug-out protection
- Patent number 7,753,711
- Issue date Jul 13, 2010
- The Siemon Company
- Oscar Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for plug-in and plug-out protection
- Patent number 7,695,303
- Issue date Apr 13, 2010
- The Siemon Company
- Oscar Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Apparatus For Plug-In and Plug-Out Protection
- Publication number 20100022108
- Publication date Jan 28, 2010
- THE SIEMON COMPANY
- Oscar Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus For Plug-In And Plug-Out Protection
- Publication number 20090124138
- Publication date May 14, 2009
- THE SIEMON COMPANY
- Oscar Chen
- H01 - BASIC ELECTRIC ELEMENTS