Granted Patent
Utility
US 6,136,437 · App. 08/944,998
Industrial fabric and yarn made from an improved fluoropolymer blend
Inventor:
John R. Reither
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Oct 7, 1997
Inventor
John R. Reither
Assignee (at issue)
ASTENJOHNSON, 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.