Yu-Lun Chang

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Tou-Feng Town, TW

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Patents Applicationslast 30 patents

Information Patent Application
Scanning device having a floating light source
- Publication number 20070153336
- Publication date Jul 5, 2007
- Avision Inc.
- Thomas Sheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Self-locked hinge device and a multi-function peripheral using the...
- Publication number 20050044664
- Publication date Mar 3, 2005
- Yu-Lun Chang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES