Granted Patent
Utility
US 4,924,074 · App. 07/293,542
Electrical device comprising conductive polymers
Inventors:
Shou-Mean Fang, Charles H. Camphouse
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jan 3, 1989
Inventors
Shou-Mean Fang
Charles H. Camphouse
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.