Granted Patent
Utility
US 5,486,935 · App. 08/084,634
High efficiency chiral nematic liquid crystal rear polarizer for liquid crystal displays having a notch polarization bandwidth of 100 nm to 250 nm
Inventor:
Michael H. Kalmanash
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jun 29, 1993
Inventor
Michael H. Kalmanash
Assignee (at issue)
Kaiser Aerospace & Electronics Corp.
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.