Granted Patent
Utility
US 5,811,221 · App. 08/865,795
Alkaline developing composition and method of use to process lithographic printing plates
Inventors:
Gary R. Miller, Melanie A. Felker
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: May 30, 1997
Inventors
Gary R. Miller
Melanie A. Felker
Assignee (at issue)
Kodak Polychrome Graphics Company Ltd.
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.