Granted Patent
Utility
US 6,214,522 · App. 09/143,427
Photosensitive resin composition useful in fabricating printing plates
Inventor:
Douglas R. Leach
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Aug 28, 1998
Inventor
Douglas R. Leach
Assignee (at issue)
MacDermid, Incorporated
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.