Granted Patent
Utility
US 6,049,367 · App. 08/853,909
Polarization manipulating device modulator with retarder stack which preconditions light for modulation and isotropic states
Inventors:
Gary D. Sharp, Kristina M. Johnson
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: May 9, 1997
Inventors
Gary D. Sharp
Kristina M. Johnson
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.