Granted Patent
Utility
US 5,568,540 · App. 08/422,700
Method and apparatus for selecting and playing a voice mail message
Inventors:
Robert C. Greco, Michael Robinson, Paul M. Dunn
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Apr 14, 1995
Inventors
Robert C. Greco
Michael Robinson
Paul M. Dunn
Assignee (at issue)
Active Voice Corporation
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.