In Court of Customs and Patent Appeals, patent appeal no. 5414. in re Norman V. Christensen and George Sauer, lockstitch sewing machine; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5414. in re Norman V. Christensen and George Sauer, lockstitch sewing machine; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5414. in re Norman V. Christensen and George Sauer, lockstitch sewing machine; brief for commissioner of patents.