Granted Patent
Utility
US 6,517,210 · App. 09/827,869
Shortened asymmetrical tunnel for spatially integrating light
Inventors:
Mark Peterson, Franc Potekev, Kurt A. Stahl
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Apr 6, 2001
Inventors
Mark Peterson
Franc Potekev
Kurt A. Stahl
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.