Merrill, Charles W. In Court of Appeals of District of Columbia, Oct. term, 1912, in re Merrill, improvements in process for treating semisolid material in containers of filter presses and removing same; brief for commissioner of patents.
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Merrill, Charles W. In Court of Appeals of District of Columbia, Oct. term, 1912, in re Merrill, improvements in process for treating semisolid material in containers of filter presses and removing same; brief for commissioner of patents.
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Merrill, Charles W. In Court of Appeals of District of Columbia, Oct. term, 1912, in re Merrill, improvements in process for treating semisolid material in containers of filter presses and removing same; brief for commissioner of patents.