RADIO CORPORATION OF AMERICA v. TWENTIETH CENTURY R. CORP.

No. 204.

19 F.2d 290 (1927)

RADIO CORPORATION OF AMERICA et al. v. TWENTIETH CENTURY RADIO CORPORATION.

Circuit Court of Appeals, Second Circuit.

May 2, 1927.


Attorney(s) appearing for the Case

Charles Neave, Stephen H. Philbin, and Abel E. Blackmar, Jr., all of New York City, for appellants.

William H. Davis, Willis H. Taylor, Jr., and R. Morton Adams, all of New York City, for appellee.

Before MANTON and MACK, Circuit Judges, and CAMPBELL, District Judge.


MANTON, Circuit Judge.

The Hartley patent, No. 1,183,875, is for an electrical circuit used in a radio apparatus. It was applied for September 13, 1915, and granted May 23, 1916. The Rice patent is for a system of amplification of small currents. The application was filed July 31, 1917, and the patent granted March 16, 1920. The claims sued on are as follows:

Hartley Patent, No. 1,183,875.

"1. An electrical network containing a thermionic amplifier...

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