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MINERALS SEPARATION v. MAGMA COPPER CO.

No. 71.

280 U.S. 400 (1930)

MINERALS SEPARATION NORTH AMERICAN CORPORATION v. MAGMA COPPER COMPANY.

Supreme Court of United States.

Decided February 24, 1930.

Attorney(s) appearing for the Case

Messrs. Henry D. Williams and William Houston Kenyon, with whom Messrs. Lindley M. Garrison, Frederic D. McKenney, and Sidney St. F. Thaxter were on the brief, for petitioner.

Mr. William H. Davis, with whom Mr. Merton W. Sage was on the brief, for respondent.

MR. JUSTICE HOLMES delivered the opinion of the Court.

This is a suit for the infringement of Letters Patent, No. 962678, Claims 1 and 2, brought by the petitioner in the District Court of Maine, where the petitioner prevailed, 23 F.2d 931, the Court acting partly in deference to the decision of the Circuit Court of Appeals for the Third Circuit in Miami Copper Co. v. Minerals Separation, Ltd., 244 Fed. 752. The decision...

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