GENERAL ELECTRIC CO. v. DE FOREST RADIO CO.

Nos. 3799-3801.

44 F.2d 931 (1930)

GENERAL ELECTRIC CO. v. DE FOREST RADIO CO. (two cases). DE FOREST RADIO CO. v. GENERAL ELECTRIC CO.

Circuit Court of Appeals, Third Circuit.

November 11, 1930.


Attorney(s) appearing for the Case

Howson & Howson, of New York City, and William G. Mahaffy, of Wilmington, Del. (Ralph B. Evans, of Philadelphia, Pa., Hubert Howson, of New York City, and Albert G. Davis and Charles McClair, both of Schenectady, N. Y., of counsel), for appellant.

Ward Gray, & Ward, of Wilmington, Del. (Thomas G. Haight, of Jersey City, N. J., and Samuel E. Darby, Jr., Carl A. Richmond, and William R. Ballard, all of New York City, of counsel), for appellee.

Before BUFFINGTON, WOOLLEY and DAVIS, Circuit Judges.


BUFFINGTON, Circuit Judge.

In the court below the General Electric Company charged the De Forest Radio Company with the infringement of four patents. On final hearing that court held one of the patents valid and infringed and the other three invalid. By appropriate steps its so holding was brought before this court for review. Without entering into detail, we may say that, save as to patent No. 1,558,436, the reasoning, conclusion, and decree of the court below commend...

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