Granted Patent
Utility
US 4,277,673 · App. 06/024,063
Electrically conductive self-regulating article
Inventor:
Cornelius J. N. Kelly
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Mar 26, 1979
Inventor
Cornelius J. N. Kelly
Assignee (at issue)
E-B Industries, 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.