Bayer, Erik C. In Court of Customs and Patent Appeals, patent appeal no. 3108, in re Erik Christian Bayer, porous building materials; brief for commissioner of patents.
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Bayer, Erik C. In Court of Customs and Patent Appeals, patent appeal no. 3108, in re Erik Christian Bayer, porous building materials; brief for commissioner of patents.
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Bayer, Erik C. In Court of Customs and Patent Appeals, patent appeal no. 3108, in re Erik Christian Bayer, porous building materials; brief for commissioner of patents.