Granted Patent
Utility
US 4,720,745 · App. 06/506,826
Method and apparatus for enhancing video displays
Inventors:
Sherman E. DeForest, S. Dale Seegmiller
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Jun 22, 1983
Inventors
Sherman E. DeForest
S. Dale Seegmiller
Assignee (at issue)
DigiVision, Inc.
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.