Granted Patent
Utility
US 5,594,568 · App. 08/235,691
LCD with a pair of retardation films on one side of normally white liquid crystal layer
Inventors:
Adiel Abileah, John A. VanderPloeg, Gang Xu
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 29, 1994
Inventors
Adiel Abileah
John A. VanderPloeg
Gang Xu
Assignee (at issue)
OIS Optical Imaging Systems, 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.