No. 75.

314 U.S. 495 (1942)


Supreme Court of United States.

Decided January 5, 1942.

Attorney(s) appearing for the Case

Mr. Harrison F. Lyman, with whom Messrs. C.E. Hammett, Jr., and Arnold C. Rood were on the brief, for petitioner.

Mr. William Gates, Jr., with whom Messrs. Robert Cushman and James R. Hodder were on the brief, for respondents.

Solicitor General Fahy, Assistant Attorney General Arnold, and Messrs. Richard H. Demuth and James C. Wilson filed a brief on behalf of the United States, as amicus curiae, urging affirmance.

MR. CHIEF JUSTICE STONE delivered the opinion of the Court.

This is a companion case to Morton Salt Co. v. G.S. Suppiger Co., ante, p. 488, and involves the question whether the owner of a method patent who authorizes manufacturers to use it only with materials furnished by him may enjoin infringement by one who supplies the manufacturer with materials for use by the patented method and aids in such use.

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