Granted Patent
Utility
US 5,227,946 · App. 07/870,202
Electrical device comprising a PTC conductive polymer
Inventors:
Stephen M. Jacobs, Mary S. McTavish, Frank A. Doljack
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Apr 13, 1992
Inventors
Stephen M. Jacobs
Mary S. McTavish
Frank A. Doljack
Assignee (at issue)
Raychem Limited
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.