Granted Patent
Utility
US 3,933,616 · App. 05/400,120
Coating of protected electrocatalytic material on an electrode
Inventor:
Henri B. Beer
Patented Case
View Patent ↗
Granted: Jan 20, 1976
Filed: Sep 24, 1973
Inventor
Henri B. Beer
Assignee (at issue)
Chemnor Corporation
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.