Granted Patent
Utility
US 5,733,948 · App. 08/680,159
Tack-free photopolymer printing plate
Inventor:
Lawrence Nelson
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jul 15, 1996
Inventor
Lawrence Nelson
Assignee (at issue)
MacDermid Imaging Technology, Inc.
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.