Granted Patent
Utility
US 4,247,328 · App. 06/003,524
Lithographic fountain concentrates containing a desensitizing material in an organic solvent liquid
Inventors:
Leslie E. Lawson, Frank Edward Smith
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Jan 15, 1979
Inventors
Leslie E. Lawson
Frank Edward Smith
Assignee (at issue)
Vickers, 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.