Cooper, Oswald. In Court of Appeals of District of Columbia, Oct. term, 1926, patent appeal no. 1958, in re Oswald Cooper, design for font of type; brief for commissioner of patents.
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Cooper, Oswald. In Court of Appeals of District of Columbia, Oct. term, 1926, patent appeal no. 1958, in re Oswald Cooper, design for font of type; brief for commissioner of patents.
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Cooper, Oswald. In Court of Appeals of District of Columbia, Oct. term, 1926, patent appeal no. 1958, in re Oswald Cooper, design for font of type; brief for commissioner of patents.