Granted Patent
Utility
US 6,566,311 · App. 09/996,775
1,3,4-oxadiazole additives for lubricants
Inventor:
Theodore E. Nalesnik
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Nov 30, 2001
Inventor
Theodore E. Nalesnik
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.