Granted Patent
Utility
US 6,187,380 · App. 08/995,495
Process for the production of lithographic printing plates
Inventors:
Robert W. Hallman, Hui Zhu, Ken-ichi Shimazu, S. Peter Pappas
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Dec 22, 1997
Inventors
Robert W. Hallman
Hui Zhu
Ken-ichi Shimazu
S. Peter Pappas
Assignee (at issue)
Kodak Polychrome Graphics Company Ltd.
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.