Granted Patent
Utility
US 6,141,071 · App. 09/245,863
Switchable achromatic polarization rotator
Inventor:
Gary D. Sharp
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Feb 8, 1999
Inventor
Gary D. Sharp
Assignee (at issue)
COLOR INK, INC.
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.