Granted Patent
Utility
US 5,238,985 · App. 07/519,265
Thermoplastic molding compositions
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: May 2, 1990
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Rhone-Poulenc Surfactants & Specialties, L.P.
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.