Granted Patent
Utility
US 4,295,155 · App. 06/047,188
Gray scale sync video processing system
Inventors:
Harold F. Jarger, Marvin L. Sassler
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Jun 8, 1979
Inventors
Harold F. Jarger
Marvin L. Sassler
Assignee (at issue)
International Telephone and Telegraph 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.