GILL v. WELLS


89 U.S. 1 (____)

22 Wall. 1

GILL v. WELLS.

Supreme Court of United States.


Attorney(s) appearing for the Case

Messrs. H.F. French and A.L. Soule, for the plaintiff in error; Messrs. E.N. Dickerson and M.K. Brewer, contra.


Mr. Justice CLIFFORD delivered the opinion of the court.

Valid letters-patent may be granted for an invention which consists entirely in a new combination of old ingredients, provided it appears that the new combination of the ingredients produces a new and useful result; but the rule is equally well settled, in such a case, that the invention consists merely in the new combination of the ingredients, and that a suit for an infringement cannot be maintained against...

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