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Han-ping Chen patents

The following is a sampling of recent Han-ping Chen patent applications (USPTO Patent Application #, Patent Title) sorted by month.

April 2007 - Han-ping Chen patents

20070080211 - Credit card payment validation system

March 2007 - Han-ping Chen patents

20070045398 - Credit card verification system

January 2007 - Han-ping Chen patents

20070017972 - Credit card verification enhancement system

January 2006 - Han-ping Chen patents

20060007196 - Panel display control and adjustment

August 2005 - Han-ping Chen patents

20050177862 - Video information collection system



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Patent data source: patents published by the United States Patent and Trademark Office (USPTO)
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