Granted Patent
Utility
US 6,444,075 · App. 09/477,261
Hot melt calendered or extruded wear layer for embossed substrates and method of manufacture
Inventors:
Donald E. Schneider, William M. McQuate, Peter A. Christie
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jan 4, 2000
Inventors
Donald E. Schneider
William M. McQuate
Peter A. Christie
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.