Granted Patent
Utility
US 5,643,237 · App. 07/868,614
Facing material with improved stain resistance
Inventors:
Michael R. Fechillas, Roger Boulanger, Erol Tan
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Apr 14, 1992
Inventors
Michael R. Fechillas
Roger Boulanger
Erol Tan
Assignee (at issue)
Chicopee
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.