Granted Patent
Utility
US 5,045,586 · App. 07/345,853
Lubricants for thermoplastic resins
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: May 1, 1989
Inventor
Anthony J. O'Lenick, Jr.
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.