Calgary
Canada
2
2008-02-21
The entities that hold a legal rights for patent applications filed by inventor Martin David A.:
David A. Martin from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Projection display system with pressure sensing at a screen, a calibration system corrects for non-orthogonal projection errors
#2 | 2007-10-30Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks
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