Granted Patent
Utility
US 4,802,967 · App. 07/035,846
Surface treatment of polymers
Inventor:
Wilfred C. Kittler, Jr.
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Apr 8, 1987
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.