Granted Patent
Utility
US 6,426,324 · App. 09/696,617
Lubricant composition
Inventors:
John T. Lai, Deborah S. Filla
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Oct 25, 2000
Inventors
John T. Lai
Deborah S. Filla
Assignees (at issue)
Noveon IP Holdings Corp.
BP Exploration & Oil, 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.