Granted Patent
Utility
US 5,315,418 · App. 07/900,812
Two path liquid crystal light valve color display with light coupling lens array disposed along the red-green light path
Inventors:
Robert A. Sprague, Louis D. Silverstein, Richard H. Bruce
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Jun 17, 1992
Inventors
Robert A. Sprague
Louis D. Silverstein
Richard H. Bruce
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.