Allsop, Thomas. In Court of Appeals of District of Columbia, Jan. term, 1928, patent appeal no. 1962, in re Thomas Allsop and Walter W. Sibson, drying machines; brief for commissioner of patents.
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Allsop, Thomas. In Court of Appeals of District of Columbia, Jan. term, 1928, patent appeal no. 1962, in re Thomas Allsop and Walter W. Sibson, drying machines; brief for commissioner of patents.
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Allsop, Thomas. In Court of Appeals of District of Columbia, Jan. term, 1928, patent appeal no. 1962, in re Thomas Allsop and Walter W. Sibson, drying machines; brief for commissioner of patents.