Granted Patent
Utility
US 4,883,540 · App. 07/157,191
Metallic substrate having an adherent photo-product coating on its surface and a method of coating said metallic substrate
Inventors:
Robert M. Etter, Phillip J. Neumiller
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Feb 18, 1988
Inventors
Robert M. Etter
Phillip J. Neumiller
Assignee (at issue)
S. C. JOHNSON & SON, INC.
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.