Granted Patent
Utility
US 6,743,759 · App. 10/299,303
Antioxidant, antiwear/extreme pressure additive compositions and lubricating compositions containing the same
Inventors:
Brian W. Stunkel, Thomas J. Karol, Steven G. Donnelly
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Nov 19, 2002
Inventors
Brian W. Stunkel
Thomas J. Karol
Steven G. Donnelly
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.