Granted Patent
Utility
US 4,469,843 · App. 06/379,700
Molding composition comprising modified styrene-maleic anhydride copolymer and polycarbonate
Inventor:
Frank E. Lordi
Patented Case
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Granted: Sep 4, 1984
Filed: May 19, 1982
Inventor
Frank E. Lordi
Assignee (at issue)
Atlantic Richfield 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.