Zalkind, Philip. In Court of Customs and Patent Appeals, patent appeal no. 4409, in re Philip Zalkind, laminated sheets; brief for commissioner of patents.
Publication Title:
Zalkind, Philip. In Court of Customs and Patent Appeals, patent appeal no. 4409, in re Philip Zalkind, laminated sheets; brief for commissioner of patents.
Display Title:
Zalkind, Philip. In Court of Customs and Patent Appeals, patent appeal no. 4409, in re Philip Zalkind, laminated sheets; brief for commissioner of patents.