Moore, David P. In Court of Appeals of District of Columbia, Oct. term, 1919. patent appeal no. 1289, in re David P. Moore and Samuel B. Pack, suction and brush cleaning machines; brief for commissioner of patents.
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Moore, David P. In Court of Appeals of District of Columbia, Oct. term, 1919. patent appeal no. 1289, in re David P. Moore and Samuel B. Pack, suction and brush cleaning machines; brief for commissioner of patents.
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Moore, David P. In Court of Appeals of District of Columbia, Oct. term, 1919. patent appeal no. 1289, in re David P. Moore and Samuel B. Pack, suction and brush cleaning machines; brief for commissioner of patents.