Granted Patent
Utility
US 5,122,243 · App. 07/733,571
Lithographic printing plates comprising an aluminum support grained in a two stage-electrolytic process
Inventor:
Susan Hall
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Jul 22, 1991
Inventor
Susan Hall
Assignee (at issue)
EASTMAN KODAK COMPANY
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.