Granted Patent
Utility
US 6,285,791 · App. 08/987,360
Transmission method for video or moving pictures by compressing block differences
Inventor:
Dan Björklund
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Dec 9, 1997
Inventor
Dan Björklund
Assignee (at issue)
Telecom Finland Oy
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.