WOOLLEY, Circuit Judge.
The plaintiff appeals from a decree of the District Court dismissing his bill for infringement of Reissue Patent No. 16,396, granted to him on July 27, 1926 for a process of making alloy steel. Direct infringement of all claims was charged against Duquesne Steel Foundry Company and contributory infringement against Molybdenum Corporation of America. The court, passing by some of the defenses, found the reissue patent void because for an invention...
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