Granted Patent
Utility
US 4,609,703 · App. 06/741,501
Cyanoethylacrylate/acrylic acid copolymer
Inventor:
Thomas G. Rukavina
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jun 5, 1985
Inventor
Thomas G. Rukavina
Assignee (at issue)
PPG Industries, Inc.
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.