UNION SWITCH & SIGNAL CO. v. KODEL ELECTRIC & MFG. CO.

Nos. 5789, 5790.

55 F.2d 173 (1932)

UNION SWITCH & SIGNAL CO. v. KODEL ELECTRIC & MANUFACTURING CO. KODEL ELECTRIC & MANUFACTURING CO. v. UNION SWITCH & SIGNAL CO.

Circuit Court of Appeals, Sixth Circuit.

January 7, 1932.


Attorney(s) appearing for the Case

Charles Neave, of New York City (Henry R. Ashton, of New York City, and John B. Hollister, of Cincinnati, Ohio, on the brief), for Union Switch & Signal Co.

S. E. Darby, Jr., of New York City, and Thomas G. Haight, of Jersey City, N. J. (Arthur H. Ewald, Allen & Allen, and Marston Allen, all of Cincinnati, Ohio, on the brief), for Kodel Electric & Manufacturing Co.

Before DENISON, MOORMAN, and HICKS, Circuit Judges.


MOORMAN, Circuit Judge.

This is a suit for infringement of the Grondahl patent, No. 1,640,335, for an "uni-directional current-carrying device." The plaintiffs are Union Switch & Signal Company, the owner of the patent, and Westinghouse Electric & Manufacturing Company. The Westinghouse Company and General Electric Company are licensees in the field in which the defendant operates. The defendant is the Kodel Electric & Manufacturing Company, which is engaged...

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