In Court of Appeals of District of Columbia, Apr. term, 1912, patent appeal no. 788, in re Frank C. Hodkinson, conduits for electric wires; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Apr. term, 1912, patent appeal no. 788, in re Frank C. Hodkinson, conduits for electric wires; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Apr. term, 1912, patent appeal no. 788, in re Frank C. Hodkinson, conduits for electric wires; brief for commissioner of patents.