Granted Patent
Utility
US 5,846,691 · App. 08/676,591
Composite relief image printing plates and methods for preparing same
Inventors:
George Cusdin, Joseph D. Crowell
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jul 8, 1996
Inventors
George Cusdin
Joseph D. Crowell
Assignee (at issue)
Polyfibron Technologies, Inc.
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.