Granted Patent
Utility
US 4,932,022 · App. 07/326,405
Integrated voice and data telephone system
Inventors:
Clare G. Keeney, Gary Passon, Ronald J. Hagen, Chris D. Foster, Frank Fritsch
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Mar 20, 1989
Inventors
Clare G. Keeney
Gary Passon
Ronald J. Hagen
Chris D. Foster
Frank Fritsch
Assignee (at issue)
Telenova, 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.