Lieser, Theodor. In Court of Customs and Patent Appeals, patent appeal no. 5306, in re Theodor Lieser, method of dissolving cellulose in ammoniacal copper compounds; brief for commissioner of patents.
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Lieser, Theodor. In Court of Customs and Patent Appeals, patent appeal no. 5306, in re Theodor Lieser, method of dissolving cellulose in ammoniacal copper compounds; brief for commissioner of patents.
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Lieser, Theodor. In Court of Customs and Patent Appeals, patent appeal no. 5306, in re Theodor Lieser, method of dissolving cellulose in ammoniacal copper compounds; brief for commissioner of patents.