Zalkind, Phillip. In Court of Customs and Patent Appeals, patent appeal no. 4549, in re Phillip Zalkind, containers; brief for commissioner of patents.
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Zalkind, Phillip. In Court of Customs and Patent Appeals, patent appeal no. 4549, in re Phillip Zalkind, containers; brief for commissioner of patents.
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Zalkind, Phillip. In Court of Customs and Patent Appeals, patent appeal no. 4549, in re Phillip Zalkind, containers; brief for commissioner of patents.