Granted Patent
Utility
US 4,511,696 · App. 06/508,776
Method for protectively coating a polymer
Inventors:
Daniel P. Durbin, William H. Korcz
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Jun 29, 1983
Inventors
Daniel P. Durbin
William H. Korcz
Assignee (at issue)
SHELL OIL 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.