Fifield, Albert F. In Court of Customs and Patent Appeals, patent appeal no. 2944, in re Albert F. Fifield, process of preparing wearing surfaces for tools, dies, and the like, and resultant product; brief for commissioner of patents.
Publication Title:
Fifield, Albert F. In Court of Customs and Patent Appeals, patent appeal no. 2944, in re Albert F. Fifield, process of preparing wearing surfaces for tools, dies, and the like, and resultant product; brief for commissioner of patents.
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Fifield, Albert F. In Court of Customs and Patent Appeals, patent appeal no. 2944, in re Albert F. Fifield, process of preparing wearing surfaces for tools, dies, and the like, and resultant product; brief for commissioner of patents.