Granted Patent
Utility
US 5,692,938 · App. 08/771,245
Polyester fiber with improved abrasion resistance
Inventor:
John R. Reither
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Dec 20, 1996
Inventor
John R. Reither
Assignee (at issue)
Asten, 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.