Granted Patent
Utility
US 4,497,719 · App. 06/426,526
Metal salts of 1,2,4-thiadiazole and lubricants containing these metal salts
Inventors:
James P. King, Paul Tubbs
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Sep 29, 1982
Inventors
James P. King
Paul Tubbs
Assignee (at issue)
Pennwalt Corporation
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.