Chao-Hsien Yeh

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Tainan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Power-Free automatic driver structure of sunshade
- Patent number 9,303,453
- Issue date Apr 5, 2016
- Chao-Hsien Yeh
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Power-Free Automatic Driver Structure Of Sunshade
- Publication number 20160024841
- Publication date Jan 28, 2016
- Chao-Hsien Yeh
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...