Granted Patent
Utility
US 4,789,438 · App. 07/161,819
Cathode surface treatment for electroforming metallic foil or strip
Inventor:
Ned W. Polan
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Feb 29, 1988
Inventor
Ned W. Polan
Assignee (at issue)
Olin 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.