Mitchel, Clyde L. In Court of Customs and Patent Appeals, patent appeal no. 4051, in re Clyde L. Mitchel and Elbert L. Wetmore, combined churn and butter worker; brief for commissioner of patents.
Publication Title:
Mitchel, Clyde L. In Court of Customs and Patent Appeals, patent appeal no. 4051, in re Clyde L. Mitchel and Elbert L. Wetmore, combined churn and butter worker; brief for commissioner of patents.
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Mitchel, Clyde L. In Court of Customs and Patent Appeals, patent appeal no. 4051, in re Clyde L. Mitchel and Elbert L. Wetmore, combined churn and butter worker; brief for commissioner of patents.