Granted Patent
Utility
US 4,743,970 · App. 06/920,560
Picture transformation memory
Inventors:
Ronnie D. Barnett, Richard A. Jackson
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Oct 20, 1986
Inventors
Ronnie D. Barnett
Richard A. Jackson
Assignee (at issue)
GRASS VALLEY LIMITED
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.