Granted Patent
Utility
US 6,673,509 · App. 09/511,833
Photopolymerizable recording element and process for preparing flexographic printing forms
Inventor:
Berhnard Metzger
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Feb 24, 2000
Inventor
Berhnard Metzger
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.