Granted Patent
Utility
US 5,200,820 · App. 07/692,279
Block-matching motion estimator for video coder
Inventor:
Hamid Gharavi
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Apr 26, 1991
Inventor
Hamid Gharavi
Assignee (at issue)
Bell Communications Research, 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.