Calgary
Canada
3
2013-05-16
The entities that hold a legal rights for patent applications filed by inventor Ung Charles:
Charles Ung from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Interactive input system and method
#2 | 2011-04-28INTERACTIVE INPUT SYSTEM INCORPORATING MULTI-ANGLE REFLECTING STRUCTURE
#3 | 2011-03-03Interactive input system with improved signal-to-noise ratio (SNR) and image capture method
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