Hornsey, John W. In Court of Customs and Patent Appeals, patent appeal no. 2687, in re John W. Hornsey, treatment of iron ores and the like; brief for commissioner of patents.
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Hornsey, John W. In Court of Customs and Patent Appeals, patent appeal no. 2687, in re John W. Hornsey, treatment of iron ores and the like; brief for commissioner of patents.
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Hornsey, John W. In Court of Customs and Patent Appeals, patent appeal no. 2687, in re John W. Hornsey, treatment of iron ores and the like; brief for commissioner of patents.