Michael J. Chen

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Tustin, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
Method and System to Automatically Track User's Time of Using Mobil...
- Publication number 20140258057
- Publication date Sep 11, 2014
- Alexander Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Novel Coin Exchange system and method
- Publication number 20090206155
- Publication date Aug 20, 2009
- Michael J. Chen
- G06 - COMPUTING CALCULATING COUNTING