McNeal, Charles S. In Court of Appeals of District of Columbia, Oct. term, 1917, patent appeal no. 1155, in re Charles S. McNeal, machinery designed to disintegrate nodules of sand; brief for commissioner of patents.
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McNeal, Charles S. In Court of Appeals of District of Columbia, Oct. term, 1917, patent appeal no. 1155, in re Charles S. McNeal, machinery designed to disintegrate nodules of sand; brief for commissioner of patents.
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McNeal, Charles S. In Court of Appeals of District of Columbia, Oct. term, 1917, patent appeal no. 1155, in re Charles S. McNeal, machinery designed to disintegrate nodules of sand; brief for commissioner of patents.