Granted Patent
Utility
US 6,326,073 · App. 09/298,287
Preseamed sheet flooring product
Inventors:
Jennifer Sager, Ronald S. Lenox, George L. Lilley, Robert K. Keener
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Apr 23, 1999
Inventors
Jennifer Sager
Ronald S. Lenox
George L. Lilley
Robert K. Keener
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.