Granted Patent
Utility
US 4,852,035 · App. 07/070,287
Simple coefficient half-bandwidth digital filter for video data compression
Inventor:
James A. Michener
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Jul 6, 1987
Inventor
James A. Michener
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.