In Court of Appeals of District of Columbia, Mar. term, 1909, patent appeal no. 547, in re Herman Charles Woltereck, improvements in process for production of ammonia; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Mar. term, 1909, patent appeal no. 547, in re Herman Charles Woltereck, improvements in process for production of ammonia; brief for commissioner of patents.
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In Court of Appeals of District of Columbia, Mar. term, 1909, patent appeal no. 547, in re Herman Charles Woltereck, improvements in process for production of ammonia; brief for commissioner of patents.