Granted Patent
Utility
US 5,607,816 · App. 08/531,853
On-press developable lithographic printing plates with high plasticizer content photoresists
Inventors:
Maurice J. Fitzgerald, John M. Hardin, Frederick Richard Kearney, Rong-Chang Liang
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Sep 21, 1995
Inventors
Maurice J. Fitzgerald
John M. Hardin
Frederick Richard Kearney
Rong-Chang Liang
Assignee (at issue)
Polaroid Corporation
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.