Calgary
Canada
10
2017-03-30
The entities that hold a legal rights for patent applications filed by inventor Holmgren David:
David Holmgren from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method of pointer detection for interactive input
#2 | 2014-10-23Interactive input system and method
#3 | 2014-01-23Interactive system with successively activated illumination sources
#4 | 2013-10-03Method for generally continuously calibrating an interactive input system
#5 | 2012-10-04Interactive input system and method
#6 | 2012-10-04INTERACTIVE INPUT SYSTEM AND METHOD
#7 | 2011-10-06Interactive input system and pen tool therefor
#8 | 2010-07-29Camera-based touch system
#9 | 2005-07-19Calibrating camera offsets to facilitate object position determination using triangulation
#10 | 2005-04-14Camera-based touch system
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