Granted Patent
Utility
US 6,306,951 · App. 08/253,839
Polyphthalamide composition
Inventors:
Ruth A. Montag, George A. Corbin, David Garrett
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Jun 3, 1994
Inventors
Ruth A. Montag
George A. Corbin
David Garrett
Assignee (at issue)
BP Corporation North America 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.