Granted Patent
Utility
US 6,476,783 · App. 09/250,347
Contrast enhancement for an electronic display device by using a black matrix and lens array on outer surface of display
Inventors:
Dennis Lee Matthies, Zilan Shen, Roger G. Stewart, James Harold Atherton
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Feb 16, 1999
Inventors
Dennis Lee Matthies
Zilan Shen
Roger G. Stewart
James Harold Atherton
Assignee (at issue)
Sarnoff 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.