William Chang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Two-way lock mechanism with cam action
- Patent number 5,857,364
- Issue date Jan 12, 1999
- Digital Equipment Corporation
- Peter Hsu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Business card processing system and method
- Publication number 20030050790
- Publication date Mar 13, 2003
- William Chang
- G06 - COMPUTING CALCULATING COUNTING