Ellis, Carleton. In Court of Customs and Patent Appeals, patent appeal no. 3757, in re Carleton Ellis, resinous complex of urea type; brief for commissioner of patents.
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Ellis, Carleton. In Court of Customs and Patent Appeals, patent appeal no. 3757, in re Carleton Ellis, resinous complex of urea type; brief for commissioner of patents.
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Ellis, Carleton. In Court of Customs and Patent Appeals, patent appeal no. 3757, in re Carleton Ellis, resinous complex of urea type; brief for commissioner of patents.