Sibley, Robert L. In Court of Customs and Patent Appeals, patent appeal no. 3789, in re Robert L. Sibley, coating composition and process of preparing same; brief for commissioner of patents.
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Sibley, Robert L. In Court of Customs and Patent Appeals, patent appeal no. 3789, in re Robert L. Sibley, coating composition and process of preparing same; brief for commissioner of patents.
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Sibley, Robert L. In Court of Customs and Patent Appeals, patent appeal no. 3789, in re Robert L. Sibley, coating composition and process of preparing same; brief for commissioner of patents.