Granted Patent
Utility
US 4,409,280 · App. 06/304,164
Decorative surface coverings
Inventors:
John Wiley, Charles H. Brower, David Wang
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Sep 21, 1981
Inventors
John Wiley
Charles H. Brower
David Wang
Assignee (at issue)
MANNINGTON MILLS, 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.