In Court of Customs and Patent Appeals, patent appeal no. 5657, in re William H. Barrett and Bernard K. Asdell, process of coating paper; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5657, in re William H. Barrett and Bernard K. Asdell, process of coating paper; brief for commissioner of patents.
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In Court of Customs and Patent Appeals, patent appeal no. 5657, in re William H. Barrett and Bernard K. Asdell, process of coating paper; brief for commissioner of patents.