Granted Patent
Utility
US 4,672,451 · App. 06/808,405
Dynamic digital video correction circuit
Inventor:
Robert Berger
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Dec 12, 1985
Inventor
Robert Berger
Assignee (at issue)
Hughes Aircraft Company
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.