In Court of Appeals of District of Columbia, Jan. term, 1909, in re Daniel B. Luten, improvements in bridges or arches of concrete or other analogous materials, patent appeal no. 557; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Jan. term, 1909, in re Daniel B. Luten, improvements in bridges or arches of concrete or other analogous materials, patent appeal no. 557; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Jan. term, 1909, in re Daniel B. Luten, improvements in bridges or arches of concrete or other analogous materials, patent appeal no. 557; brief for commissioner of patents.