Granted Patent
Utility
US 4,835,607 · App. 07/121,818
Method and apparatus for expanding compressed video data
Inventor:
John M. Keith
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Nov 16, 1987
Inventor
John M. Keith
Assignee (at issue)
TECHNOLOGY CO., LTD.
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.