Granted Patent
Utility
US 5,344,743 · App. 08/024,565
Photosensitive elastomer polymer compositions for flexographic printing plates
Inventors:
Arthur L. Berrier, Rustom Sam Kanga
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Mar 1, 1993
Inventors
Arthur L. Berrier
Rustom Sam Kanga
Assignee (at issue)
W.R. Grace & Co. Conn.
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.