Granted Patent
Utility
US 4,517,103 · App. 06/485,817
Lubricating compositions containing 5,5'-dithiobis(1,3,4-thiadiazole-2-thiol)
Inventors:
David M. Hoffman, John Feher, Homer H. Farmer
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Apr 18, 1983
Inventors
David M. Hoffman
John Feher
Homer H. Farmer
Assignee (at issue)
R.T. Vanderbilt Company, 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.