Eitzen, August D. In Court of Customs and Patent Appeals, patent appeal no. 3706, in re August D. Eitzen, ink drying means for stock quotation projecting machines; brief for commissioner of patents.
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Eitzen, August D. In Court of Customs and Patent Appeals, patent appeal no. 3706, in re August D. Eitzen, ink drying means for stock quotation projecting machines; brief for commissioner of patents.
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Eitzen, August D. In Court of Customs and Patent Appeals, patent appeal no. 3706, in re August D. Eitzen, ink drying means for stock quotation projecting machines; brief for commissioner of patents.