Ratican, William. In Court of Appeals of District of Columbia, Oct. term, 1910, in re Ratican, street washing and sprinkling machines, patent appeal no. 637; brief for assistant commissioner of patents.
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Ratican, William. In Court of Appeals of District of Columbia, Oct. term, 1910, in re Ratican, street washing and sprinkling machines, patent appeal no. 637; brief for assistant commissioner of patents.
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Ratican, William. In Court of Appeals of District of Columbia, Oct. term, 1910, in re Ratican, street washing and sprinkling machines, patent appeal no. 637; brief for assistant commissioner of patents.