Granted Patent
Utility
US 4,853,949 · App. 07/173,228
Fail safe voice system for integrated services for digital network subscribers
Inventors:
Ian A. Schorr, Gregory P. Pucci, John P. Dorth, Bruce R. Miller
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Mar 24, 1988
Inventors
Ian A. Schorr
Gregory P. Pucci
John P. Dorth
Bruce R. Miller
Assignee (at issue)
Rockwell International 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.