Granted Patent
Utility
US 6,452,937 · App. 09/151,636
Card-based voice messaging system
Inventors:
Lee Edward Borkovic, Edmund T. Burke, Robert Edward Cochran, Thomas M. Grill, Everett R. Johnson, Jr., Michael Stephen Lane, Basheer Tannu, Gary N. Weber
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Sep 11, 1998
Inventors
Lee Edward Borkovic
Edmund T. Burke
Robert Edward Cochran
Thomas M. Grill
Everett R. Johnson, Jr.
Michael Stephen Lane
Basheer Tannu
Gary N. Weber
Assignee (at issue)
Avaya Technology LLC
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.