MR. JUSTICE BLATCHFORD delivered the opinion of the court.
This is an appeal by the plaintiff in a suit in equity to recover for the infringement of two letters-patent, from a decree dismissing the bill. The suit was brought in the Circuit Court of the United States for the Northern District of Illinois, by the Consolidated Safety-Valve Company, a Connecticut corporation, against Erastus B. Kunkle, on letters-patent No. 58,294, granted to George W. Richardson, September...
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