Keystone Driller Co. v. General Excavator Co.

Supreme Court of the United States · Decided 1933-12-04

Cited by 550 later decision(s) in our corpus · see the citation network in Lexace

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From the opinion

Mr. Justice Butuer delivered the opinion of the Court. The question presented is whether the Circuit Court of Appeals rightly applied the maxim, He who comes into equity must' come with clean hands. Petitioner owns five patents which may be conveniently identified as .the Clutter patent and the four Downie <span ="1" c…

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