Granted Patent
Utility
US 6,785,402 · App. 09/784,902
Head tracking and color video acquisition via near infrared luminance keying
Inventors:
Norman Paul Jouppi, Subramonium Iyer
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Feb 15, 2001
Inventors
Norman Paul Jouppi
Subramonium Iyer
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.