McFerran, John B., jr. In Court of Customs and Patent Appeals, patent appeal no. 3780, in re John B. McFerran, jr., motor driven food churning devices; brief for commissioner of patents.
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McFerran, John B., jr. In Court of Customs and Patent Appeals, patent appeal no. 3780, in re John B. McFerran, jr., motor driven food churning devices; brief for commissioner of patents.
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McFerran, John B., jr. In Court of Customs and Patent Appeals, patent appeal no. 3780, in re John B. McFerran, jr., motor driven food churning devices; brief for commissioner of patents.