Granted Patent
Utility
US 6,811,274 · App. 10/065,957
Polarization sensitive optical substrate
Inventor:
Eugene Olczak
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Dec 4, 2002
Inventor
Eugene Olczak
Assignee (at issue)
General Electric Company
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.