Granted Patent
Utility
US 4,298,667 · App. 06/157,313
Electrode coating composed of copolymers derived from diacetone acrylamide
Inventor:
Guy Rampel
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Jun 9, 1980
Inventor
Guy Rampel
Assignee (at issue)
General Electric Company
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.