Granted Patent
Utility
US 4,805,207 · App. 06/773,759
Message taking and retrieval system
Inventors:
Anne E. M. McNutt, Robert M. Schenkein
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Sep 9, 1985
Inventors
Anne E. M. McNutt
Robert M. Schenkein
Assignee (at issue)
Wang Laboratories, 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.