Granted Patent
Utility
US 4,865,711 · App. 07/256,873
Surface treatment of polymers
Inventor:
Wilfred C. Kittler, Jr.
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Oct 12, 1988
Inventor
Wilfred C. Kittler, Jr.
Assignee (at issue)
Andus Corporation
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.