OPINION
GOURLEY, Senior District Judge.
These patent proceedings are presented to the Court by the plaintiffs, Aluminum Company of America and Alcoa Sport Products Company, against the defendant, Amerola Products Corporation, pursuant to the Federal Declaratory Statute, 28 U.S.C.A., § 2201 et seq. A question as to validity and infringement is presented with respect to United States Letters Patent No. 3,479,030, relating to the manufacture of aluminum...
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