Granted Patent
Utility
US 6,075,853 · App. 08/829,235
Apparatus and method for intelligent call routing and call return
Inventors:
Michael W. Boeckman, William Plunkett
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Mar 31, 1997
Inventors
Michael W. Boeckman
William Plunkett
Assignee (at issue)
SBC Technology Resources 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.