Westinghouse Electric & Manufacturing Co. v. Wagner Electric & Manufacturing Co.
Supreme Court of the United States
CERTIORARI TO THE CIRCUIT COURT OF APPEALS FOR THE EIGHTH CIRCUIT. The current produced by an electric generator is of relatively low pressure, and for that reason it'is impracticable to utilize it, for power purposes, more than five or six miles from the central station.
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CERTIORARI TO THE CIRCUIT COURT OF APPEALS FOR THE EIGHTH CIRCUIT. The current produced by an electric generator is of relatively low pressure, and for that reason it'is impracticable to utilize it, for power purposes, more than five or six miles from the central station. It was found, however, that this pressure, or' voltage,- could be increased by the use of a transformer or converter, consisting of a metal core, through and around which are wound primary •_ insulated wires leading ■ from the generator. Secondary wires, also insulated, are wound through and around the same core, and…
1Opinion of the CourtJustice Lamar
The statute makes the decisión of the Circuit Court of Appeals final in patent cases, and the plaintiff’s petition for the writ of certiorari herein was not granted for the purpose of reexamining the court’s ruling that defendant’s Type M Transformer was not an infringement of Claim 4 of the Westinghouse patent. The writ was issued in view of the holding that, though the. Master found that the defendant had made a profit of .$132,000 from the sale of infringing transformers, the plaintiff could yet only recover $1 because it failed to separate the profits made by its patent from those made by…
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