Granted Patent
Utility
US 4,821,119 · App. 07/190,251
Method and apparatus for low bit-rate interframe video coding
Inventor:
Hamid Gharavi
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: May 4, 1988
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.