Granted Patent
Utility
US 5,599,779 · App. 08/619,054
Synergistic rust inhibitors and lubricating compositions
Inventors:
Thomas J. Karol, Steven G. Donnelly, Brian W. Stunkel
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Mar 20, 1996
Inventors
Thomas J. Karol
Steven G. Donnelly
Brian W. Stunkel
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.