Granted Patent
Utility
US 4,296,431 · App. 06/139,475
High-resolution television system
Inventor:
Kenneth F. Holland
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Apr 11, 1980
Inventor
Kenneth F. Holland
Assignees (at issue)
Ygnacio Inc.
Compact Video Systems 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.