Granted Patent
Utility
US 4,419,476 · App. 06/404,981
Ternary adhesive systems
Inventors:
James E. Coughlin, Eugene G. Sommerfeld, Clifford H. Strolle
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Aug 9, 1982
Inventors
James E. Coughlin
Eugene G. Sommerfeld
Clifford H. Strolle
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.