Granted Patent
Utility
US 5,528,678 · App. 08/173,845
Revertive calling automatic call distributor
Inventor:
Marc Kaplan
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Dec 27, 1993
Inventor
Marc Kaplan
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.