Granted Patent
Utility
US 6,117,826 · App. 09/149,641
Dithiocarbamyl derivatives useful as lubricant additives
Inventors:
John R. Baranski, Cyril A. Migdal
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Sep 8, 1998
Inventors
John R. Baranski
Cyril A. Migdal
Assignee (at issue)
Uniroyal Chemical 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.