Hampel, Clifford A. In Court of Customs and Patent Appeals, patent appeal no. 5316, in re Clifford A. Hampel. improvement in chemical manufacture; brief for commissioner of patents.
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Hampel, Clifford A. In Court of Customs and Patent Appeals, patent appeal no. 5316, in re Clifford A. Hampel. improvement in chemical manufacture; brief for commissioner of patents.
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Hampel, Clifford A. In Court of Customs and Patent Appeals, patent appeal no. 5316, in re Clifford A. Hampel. improvement in chemical manufacture; brief for commissioner of patents.