Granted Patent
Utility
US 4,943,327 · App. 07/160,917
Procedure to form a non-woven cloth made of synthetic filaments
Inventor:
Maurice Gauthier
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Feb 26, 1988
Inventor
Maurice Gauthier
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.