Granted Patent
Utility
US 5,446,830 · App. 08/236,708
Efficient nonmonotonic reasoning apparatus and methods
Inventors:
James M. Crawford, Jr., David Etherington
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: May 2, 1994
Inventors
James M. Crawford, Jr.
David Etherington
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.