Granted Patent
Utility
US 6,229,588 · App. 09/048,322
Normally white LCD including first and second biaxial retarders
Inventors:
Adiel Abileah, Gang Xu
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Mar 26, 1998
Inventors
Adiel Abileah
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.