Granted Patent
Utility
US 6,457,410 · App. 09/611,515
Method and apparatus for magnetically clamping printing plates
Inventor:
Samuel D. Zerillo
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Jul 7, 2000
Inventor
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.