Granted Patent
Utility
US 4,162,481 · App. 05/753,665
Adaptive correlator for video processing
Inventor:
Dale R. DuVall
Patented Case
View Patent ↗
Granted: Jul 24, 1979
Filed: Dec 22, 1976
Inventor
Dale R. DuVall
Assignee (at issue)
Recognition Equipment Incorporated
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.