Granted Patent
Utility
US 5,970,169 · App. 08/941,331
Method and apparatus for image enhancement
Inventor:
David Ittner
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Sep 30, 1997
Inventor
David Ittner
Assignee (at issue)
AT&T CORP.
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.