Granted Patent
Utility
US 6,689,537 · App. 09/837,655
Photosensitive litographic printing plate and method for making a printing plate
Inventors:
Toshiyuki Urano, Kazuhiro Kohori, Hideaki Okamoto
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Apr 19, 2001
Inventors
Toshiyuki Urano
Kazuhiro Kohori
Hideaki Okamoto
Assignee (at issue)
Lastra S.p.A.
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.