Granted Patent
Utility
US 4,582,777 · App. 06/495,862
Compressible printing plate
Inventors:
Kenneth V. Fischer, Roy D. Fountain, Larry E. Erwin, Thomas O. Gavin
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: May 18, 1983
Inventors
Kenneth V. Fischer
Roy D. Fountain
Larry E. Erwin
Thomas O. Gavin
Assignee (at issue)
W. R. Grace & Co.
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.