Granted Patent
Utility
US 6,419,365 · App. 09/557,095
Asymmetrical tunnel for spatially integrating light
Inventors:
Franc Potekev, Mark Peterson, Kurt A. Stahl, Scott Engle
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 21, 2000
Inventors
Franc Potekev
Mark Peterson
Kurt A. Stahl
Scott Engle
Assignee (at issue)
INFOCUS CORPORATION
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.