Granted Patent
Utility
US 4,761,691 · App. 07/001,716
Method for controlling video signal time-base correctors
Inventor:
John C. Stearns
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Jan 9, 1987
Inventor
John C. Stearns
Assignee (at issue)
Ampex 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.