Granted Patent
Utility
US 5,807,131 · App. 08/956,655
Power cord having a barrel plug
Inventors:
Roy C. Allen, Paul J. Offer, Jr.
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Oct 23, 1997
Inventors
Roy C. Allen
Paul J. Offer, Jr.
Assignee (at issue)
LUCENT TECHNOLOGIES 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.