In Court of Appeals of District of Columbia, Oct. term, 1913, patent appeal no. 867, in re William B. Chapman, improvement in art or process of generating gas; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Oct. term, 1913, patent appeal no. 867, in re William B. Chapman, improvement in art or process of generating gas; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Oct. term, 1913, patent appeal no. 867, in re William B. Chapman, improvement in art or process of generating gas; brief for commissioner of patents.