Granted Patent
Utility
US 4,282,107 · App. 06/078,870
Diesel crankcase lubricant composition
Inventors:
Benjamin H. Zoleski, Rodney L. Sung, Gordon R. Schierberg, Gayle P. Hebert
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Sep 26, 1979
Inventors
Benjamin H. Zoleski
Rodney L. Sung
Gordon R. Schierberg
Gayle P. Hebert
Assignee (at issue)
Texaco 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.