Crowell, Henry W. In Court of Appeals of District of Columbia, Jan. term, 1929, patent appeal no. 2287, in re Henry W. Crowell, gauges; brief for commissioner of patents.
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Crowell, Henry W. In Court of Appeals of District of Columbia, Jan. term, 1929, patent appeal no. 2287, in re Henry W. Crowell, gauges; brief for commissioner of patents.
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Crowell, Henry W. In Court of Appeals of District of Columbia, Jan. term, 1929, patent appeal no. 2287, in re Henry W. Crowell, gauges; brief for commissioner of patents.