Granted Patent
Utility
US 5,897,985 · App. 08/729,472
Potassium silicate developing composition and method of use to process lithographic printing plates
Inventors:
Gary R. Miller, Janice Kay Stuber, Melanie A. Felker
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 11, 1996
Inventors
Gary R. Miller
Janice Kay Stuber
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.