Union Metal Manufacturing Co. No. 292, in Supreme Court of United States, Oct. term, 1946, Union Metal Manufacturing Company, and Edmund W. Riemenschneider, and Mabel St. Elmo Rastetter, executrix of Harry O. Rastetter, v. Casper W. Ooms, commissioner of patents, on petition for writ of certiorari to United States Court of Appeals for District of Columbia; brief for respondent in opposition.