Ewald, Mark. In Court of Customs and Patent Appeals, patent appeal no. 4171, in re Mark Ewald, fruit splitting and spreading apparatus; brief for commissioner of patents.
Publication Title:
Ewald, Mark. In Court of Customs and Patent Appeals, patent appeal no. 4171, in re Mark Ewald, fruit splitting and spreading apparatus; brief for commissioner of patents.
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Ewald, Mark. In Court of Customs and Patent Appeals, patent appeal no. 4171, in re Mark Ewald, fruit splitting and spreading apparatus; brief for commissioner of patents.