Klausmeyer, David C. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1770, in re David C. Klausmeyer, improvements in peep hole for threads; brief for commissioner of patents.
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Klausmeyer, David C. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1770, in re David C. Klausmeyer, improvements in peep hole for threads; brief for commissioner of patents.
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Klausmeyer, David C. In Court of Appeals of District of Columbia, Oct. term, 1925, patent appeal no. 1770, in re David C. Klausmeyer, improvements in peep hole for threads; brief for commissioner of patents.