Meissner, Alexander. Nos. 3624-26, in circuit court of appeals for 3d circuit, United States and Alexander Meissner v. De Forest Radio Telephone & Telegraph Company, American Telephone & Telegraph Company and Lee De Forest v. Westinghouse Electric & Mfg. Company and Edwin H. Armstrong, General Electric Company, and Irving Langmuir; reply memorandum for plaintiffs-appellants.

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