Granted Patent
Utility
US 4,490,218 · App. 06/549,102
Process and apparatus for producing surface treated metal foil
Inventors:
Igor V. Kadija, James E. Oxley
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Nov 7, 1983
Inventors
Igor V. Kadija
James E. Oxley
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.