Dreyfus, Henry. In Court of Customs and Patent Appeals, patent appeal no. 3361, in re Henry Dreyfus, manufacture of cellulose derivatives; brief for commissioner of patents.
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Dreyfus, Henry. In Court of Customs and Patent Appeals, patent appeal no. 3361, in re Henry Dreyfus, manufacture of cellulose derivatives; brief for commissioner of patents.
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Dreyfus, Henry. In Court of Customs and Patent Appeals, patent appeal no. 3361, in re Henry Dreyfus, manufacture of cellulose derivatives; brief for commissioner of patents.