Granted Patent
Utility
US 5,755,158 · App. 08/697,680
Alternately engageable, dual-stage cleaning system for lithographic printing plates
Inventors:
David M. Wolfe, Samuel D. Zerillo
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Aug 28, 1996
Inventors
David M. Wolfe
Samuel D. Zerillo
Assignee (at issue)
PRESSTEK, LLC.
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.