Granted Patent
Utility
US 6,201,246 · App. 09/127,591
Non-imaging optical concentrator for use in infrared remote control systems
Inventors:
Franc Potekev, Andrei Kazmierski
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Jul 31, 1998
Inventors
Franc Potekev
Andrei Kazmierski
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.