Granted Patent
Utility
US 5,568,768 · App. 08/433,987
Cleaning apparatus for offset plates
Inventors:
David M. Wolfe, Samuel D. Zerillo
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: May 4, 1995
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.