Granted Patent
Utility
US 5,737,405 · App. 08/506,502
Apparatus and method for detecting conversation interruptions in a telephonic switch
Inventor:
Anthony Dezonno
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jul 25, 1995
Inventor
Anthony Dezonno
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.