Tufford, John G. In Court of Appeals of District of Columbia, Jan. term, 1924, patent appeal no. 1655, in re John G. Tufford, heel lift; brief for commissioner of patents.
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Tufford, John G. In Court of Appeals of District of Columbia, Jan. term, 1924, patent appeal no. 1655, in re John G. Tufford, heel lift; brief for commissioner of patents.
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Tufford, John G. In Court of Appeals of District of Columbia, Jan. term, 1924, patent appeal no. 1655, in re John G. Tufford, heel lift; brief for commissioner of patents.