Granted Patent
Utility
US 4,769,708 · App. 07/041,568
Manual and automatic ambient light sensitive picture control for a television receiver
Inventor:
John W. Stoughton
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Apr 23, 1987
Inventor
John W. Stoughton
Assignee (at issue)
RCA Licensing 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.