Granted Patent
Utility
US 5,504,597 · App. 08/461,221
Full color display with gradient index lens array disposed between phosphor emitters and liquid crystal display
Inventors:
Robert A. Sprague, Richard H. Bruce, Louis D. Silverstein
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jun 5, 1995
Inventors
Robert A. Sprague
Richard H. Bruce
Louis D. Silverstein
Assignee (at issue)
Xerox Corporation
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.