Granted Patent
Utility
US 5,481,084 · App. 08/134,165
Method for treating a surface such as a metal surface and producing products embodying such including lithoplate
Inventors:
Edward P. Patrick, A. Victor Pajerski
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Oct 8, 1993
Inventors
Edward P. Patrick
A. Victor Pajerski
Assignee (at issue)
Aluminum Company of America
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.