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Optical touch screen

61/169,779 | U.S. Patent Application

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Location ELECTRONIC
Filed April 16, 2009
Case Type Provisional
Status Provisional Application Expired
Child 12/760,568 Abandoned
Child 12/760,567 Patented
Child PCT/US10/31248 Published
Child 13/424,592 Patented
Child 13/854,074 Patented
Child 14/331,288 Patented
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Last Updated: 4 years, 2 months ago
Date # Transaction