Granted Patent
Utility
US 5,923,729 · App. 08/859,246
Automatic tone fault detection system and method
Inventor:
Anthony Dezonno
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: May 20, 1997
Inventor
Anthony Dezonno
Assignee (at issue)
Rockwell Semiconductor Systems, 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.