Dalton, Hurbert. In Court of Appeals of District of Columbia, Oct. term, 1928, patent appeal no. 2200, in re Hubert Dalton, design for casing for electric motors; brief for commissioner of patents.
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Dalton, Hurbert. In Court of Appeals of District of Columbia, Oct. term, 1928, patent appeal no. 2200, in re Hubert Dalton, design for casing for electric motors; brief for commissioner of patents.
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Dalton, Hurbert. In Court of Appeals of District of Columbia, Oct. term, 1928, patent appeal no. 2200, in re Hubert Dalton, design for casing for electric motors; brief for commissioner of patents.