Spreen, Charles C. In Court of Customs and Patent Appeals, patent appeal no. 3027, in re Charles C. Spreen, mechanical refrigeration; brief for commissioner of patents.
Publication Title:
Spreen, Charles C. In Court of Customs and Patent Appeals, patent appeal no. 3027, in re Charles C. Spreen, mechanical refrigeration; brief for commissioner of patents.
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Spreen, Charles C. In Court of Customs and Patent Appeals, patent appeal no. 3027, in re Charles C. Spreen, mechanical refrigeration; brief for commissioner of patents.