Granted Patent
Utility
US 4,882,466 · App. 07/189,938
Electrical devices comprising conductive polymers
Inventor:
Kevin J. Friel
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: May 3, 1988
Inventor
Kevin J. Friel
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.