Granted Patent
Utility
US 5,940,139 · App. 08/725,346
Background extraction in a video picture
Inventor:
Lanny S. Smoot
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 1, 1996
Inventor
Lanny S. Smoot
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.