Granted Patent
Utility
US 4,599,299 · App. 06/748,662
Process for preparing overcoated photohardenable element having surface protuberances
Inventors:
Melvin A. Neiss, Robert W. Woodruff
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jun 25, 1985
Inventors
Melvin A. Neiss
Robert W. Woodruff
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.