Granted Patent
Utility
US 6,774,174 · App. 09/957,798
Flame-retardant polyamide compositions
Inventors:
Marvin M. Martens, Reiko Koshida, Jennifer L. Bohan, William R. Fielding
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Sep 21, 2001
Inventors
Marvin M. Martens
Reiko Koshida
Jennifer L. Bohan
William R. Fielding
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.