Wen-Cheng Yang

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Yilan City, TW

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Patents Applicationslast 30 patents

Information Patent Application
Winding Advertisement Curtain On An Electric Winding Door
- Publication number 20090249665
- Publication date Oct 8, 2009
- Wen-Cheng Yang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Winding advertisement curtain on an electric winging door
- Publication number 20070186454
- Publication date Aug 16, 2007
- Wen-Cheng Yang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Visual watching device for an automobile for detecting the dead ang...
- Publication number 20060176368
- Publication date Aug 10, 2006
- Wen-Cheng Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE