Granted Patent
Utility
US 4,870,901 · App. 07/280,628
Apparatus for attaching a printing blanket to a printing cylinder
Inventor:
Christopher P. Norkus
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Dec 6, 1988
Inventor
Christopher P. Norkus
Assignee (at issue)
W.R. Grace & Co. Conn.
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.