In the District Court of the United States for the district of Delaware, United States of America and Alexander Meissner, plaintiffs, v. De Forest Radio Telephone & Telegraph Company, American Telephone & Telegraph Company and Lee De Forest, Westinghouse Electric & Mfg. Company and Edwin H. Armstrong, General Electric Company and Irving Langmuir, defendants
In the District Court of the United States for the district of Delaware, United States of America and Alexander Meissner, plaintiffs, v. De Forest Radio Telephone & Telegraph Company, American Telephone & Telegraph Company and Lee De Forest, Westinghouse Electric & Mfg. Company and Edwin H. Armstrong, General Electric Company and Irving Langmuir, defendants