Prutton, Carl F. In Court of Customs and Patent Appeals, patent appeal no. 5156, in re Carl F. Prutton, Albert K. Smith and Harry E. Johnson, improvements in agents for mineral lubricating oils: brief for commissioner of patents.
Publication Title:
Prutton, Carl F. In Court of Customs and Patent Appeals, patent appeal no. 5156, in re Carl F. Prutton, Albert K. Smith and Harry E. Johnson, improvements in agents for mineral lubricating oils: brief for commissioner of patents.
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Prutton, Carl F. In Court of Customs and Patent Appeals, patent appeal no. 5156, in re Carl F. Prutton, Albert K. Smith and Harry E. Johnson, improvements in agents for mineral lubricating oils: brief for commissioner of patents.