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GENERAL RY. SIGNAL CO. v. GREAT NORTHERN RY. CO.

No. 8087.

43 F.2d 790 (1930)

GENERAL RY. SIGNAL CO. v. GREAT NORTHERN RY. CO.

Circuit Court of Appeals, Eighth Circuit.

September 15, 1930.

Attorney(s) appearing for the Case

A. C. Paul, of Minneapolis, Minn., and Clifton V. Edwards, of New York City (Paul, Paul & Moore, of Minneapolis, Minn., on the brief), for appellant.

Thomas Ewing, of New York City, and Fletcher Rockwood, of Portland, Or. (F. G. Dorety, of St. Paul, Minn., Frank C. Cole, of New York City, and Thomas Balmer, of Seattle, Wash., on the brief), for appellee.

Before STONE and LEWIS, Circuit Judges, and PHILLIPS, District Judge.

STONE, Circuit Judge.

This is an action for infringement of a patent to W. K. Howe, No. 1,551,515, filed November 12, 1919, issued August 25, 1925, for an automatic train control device. The plaintiff, assignee of Howe, makes and sells a train control device following the Howe patent. The defendant is a railway company which has installed and uses a train control device made by the Sprague Safety Control & Signal Company...

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