Armacost, Wilbur H. In Court of Customs and Patent Appeals, patent appeal no. 3689, in re Wilbur H. Armacost, superheater boiler; brief for commissioner of patents.
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Armacost, Wilbur H. In Court of Customs and Patent Appeals, patent appeal no. 3689, in re Wilbur H. Armacost, superheater boiler; brief for commissioner of patents.
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Armacost, Wilbur H. In Court of Customs and Patent Appeals, patent appeal no. 3689, in re Wilbur H. Armacost, superheater boiler; brief for commissioner of patents.