Granted Patent
Utility
US 6,411,744 · App. 09/174,491
Method and apparatus for performing a clean background subtraction
Inventor:
Jeffrey L. Edwards
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Oct 15, 1998
Inventor
Jeffrey L. Edwards
Assignee (at issue)
Electric Planet, 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.