Granted Patent
Utility
US 5,953,372 · App. 08/766,496
Loopback transmission testing in a communications device
Inventor:
John D. Virzi
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Dec 13, 1996
Inventor
John D. Virzi
Assignee (at issue)
STANDARD MICROSYSTEMS 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.