Granted Patent
Utility
US 6,701,591 · App. 10/251,746
Diaphanous nonwoven fabrics with improved abrasive performance
Inventors:
David R. Collins, Charles Curtis, Jerry Parker
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 20, 2002
Inventors
David R. Collins
Charles Curtis
Jerry Parker
Assignee (at issue)
Polytec GmbH
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.