Henschell, Ferdinand A. In Court of Customs and Patent Appeals, patent appeal no. 3834, in re Ferdinand A. Henschell, graters; brief for commissioner of patents.
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Henschell, Ferdinand A. In Court of Customs and Patent Appeals, patent appeal no. 3834, in re Ferdinand A. Henschell, graters; brief for commissioner of patents.
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Henschell, Ferdinand A. In Court of Customs and Patent Appeals, patent appeal no. 3834, in re Ferdinand A. Henschell, graters; brief for commissioner of patents.