Granted Patent
Utility
US 4,407,913 · App. 06/244,789
Electrode coating composed of copolymers derived from diacetone acrylamide
Inventor:
Guy Rampel
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Mar 17, 1981
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.