Folts, Ira W. In Court of Appeals of District of Columbia, Jan. term, 1927. patent appeal no. 1905, in re Ira W. Foltz, improvements in furnaces; brief for commissioner of patents.
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Folts, Ira W. In Court of Appeals of District of Columbia, Jan. term, 1927. patent appeal no. 1905, in re Ira W. Foltz, improvements in furnaces; brief for commissioner of patents.
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Folts, Ira W. In Court of Appeals of District of Columbia, Jan. term, 1927. patent appeal no. 1905, in re Ira W. Foltz, improvements in furnaces; brief for commissioner of patents.