Granted Patent
Utility
US 4,965,317 · App. 07/422,166
Coating composition with sag control agent
Inventors:
Charles M. Kania, Carl C. Anderson, Brij N. Sharma
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Oct 16, 1989
Inventors
Charles M. Kania
Carl C. Anderson
Brij N. Sharma
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.