Granted Patent
Utility
US 4,752,826 · App. 06/920,559
Intra-field recursive interpolator
Inventor:
Ronnie D. Barnett
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Oct 20, 1986
Inventor
Ronnie D. Barnett
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.