In Court of Customs and Patent Appeals, patent appeal no. 5503, in re Judson O'D. Shepherd, sound recorder and reproducer; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5503, in re Judson O'D. Shepherd, sound recorder and reproducer; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5503, in re Judson O'D. Shepherd, sound recorder and reproducer; brief for commissioner of patents.