Granted Patent
Utility
US 5,843,576 · App. 08/963,176
Floor covering with coating composition
Inventors:
Angela S. Rosenberry, Claude R.. Rupp, Songvit Setthachayanon
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Nov 3, 1997
Inventors
Angela S. Rosenberry
Claude R.. Rupp
Songvit Setthachayanon
Assignee (at issue)
ARMSTRONG WORLD 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.