Granted Patent
Utility
US 4,956,053 · App. 07/410,770
Apparatus and process for the production of micro-pore free high ductility metal foil
Inventors:
Ned W. Polan, Raymond J. Smialek, Paul Menkin
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Sep 21, 1989
Inventors
Ned W. Polan
Raymond J. Smialek
Paul Menkin
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.