Granted Patent
Utility
US 5,481,597 · App. 08/310,558
Sent message cancellation arrangement
Inventor:
Paul Given
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Sep 21, 1994
Inventor
Paul Given
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.