Wickersham, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 3421, in re Elmer E. Wickersham, improvements in threshing; brief for commissioner of patents.
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Wickersham, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 3421, in re Elmer E. Wickersham, improvements in threshing; brief for commissioner of patents.
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Wickersham, Elmer E. In Court of Customs and Patent Appeals, patent appeal no. 3421, in re Elmer E. Wickersham, improvements in threshing; brief for commissioner of patents.