Granted Patent
Utility
US 5,923,747 · App. 08/720,337
Communications system and interface circuit for interconnecting telephonic switch and agent computer
Inventors:
Paul E. Van Berkum, Doug Gisby
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Sep 27, 1996
Inventors
Paul E. Van Berkum
Doug Gisby
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.