Jeffery, Benfmk A. In Court of Customs and Patent Appeals, patent appeal no. 4344, in re Benjamin A. Jeffery, preparing and molding material; brief for commissioner of patents.
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Jeffery, Benfmk A. In Court of Customs and Patent Appeals, patent appeal no. 4344, in re Benjamin A. Jeffery, preparing and molding material; brief for commissioner of patents.
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Jeffery, Benfmk A. In Court of Customs and Patent Appeals, patent appeal no. 4344, in re Benjamin A. Jeffery, preparing and molding material; brief for commissioner of patents.