Granted Patent
Utility
US 6,669,741 · App. 09/960,039
Process for restoring the natural appearance of para-aramid clothing
Inventors:
Portia D. Yarborough, Hamid M. Ghorashi
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Sep 21, 2001
Inventors
Portia D. Yarborough
Hamid M. Ghorashi
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.