Granted Patent
Utility
US 6,800,367 · App. 10/132,616
Fire retardant and heat resistant yarns and fabrics incorporating metallic or other high strength filaments
Inventors:
William J. Hanyon, Michael R. Chapman
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Apr 25, 2002
Inventors
William J. Hanyon
Michael R. Chapman
Assignee (at issue)
CHAPMAN THERMAL PRODUCTS, 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.