IP Library › Granted Patent US 6,798,401
Granted Patent Utility
US 6,798,401 · App. 10/430,820

Optical system for inputting pointer and character data into electronic equipment

Inventor: Douglas P. DuFaux
Patented Case View Patent ↗
Granted: Sep 28, 2004 Filed: May 6, 2003
Inventor
Douglas P. DuFaux
Assignee (at issue)
Tree Frog Technologies, LLC

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Quick Facts
Patent No.
US 6,798,401
App. No.
10/430,820
Filed
2003-05-06
Granted
2004-09-28
Kind
B2