Granted Patent
Utility
US 4,686,172 · App. 06/756,861
Photosensitive elastomeric composition for flexographic printing plates having improved softness
Inventors:
John R. Worns, Milton Farber, David T. Hughes
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Jul 18, 1985
Inventors
John R. Worns
Milton Farber
David T. Hughes
Assignees (at issue)
Uniroyal Plastics Company, Inc.
Royalite Plastics Limited
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.