Granted Patent
Utility
US 5,843,419 · App. 08/880,091
Cationic free radical polymers
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jun 20, 1997
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.