Granted Patent
Utility
US 4,954,695 · App. 07/195,558
Self-limiting conductive extrudates and methods therefor
Inventors:
Robert Smith-Johannsen, Jack M. Walker
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: May 12, 1988
Inventors
Robert Smith-Johannsen
Jack M. Walker
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.