Legge, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 4850, in re Elmer E. Legge, improvements in welding; brief for commissioner of patents.
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Legge, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 4850, in re Elmer E. Legge, improvements in welding; brief for commissioner of patents.
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Legge, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 4850, in re Elmer E. Legge, improvements in welding; brief for commissioner of patents.