Sommer, Kurt. In Court of Customs and Patent Appeals, patent appeal no. 2876, in re Kurt Sommer and Paul Maca, glass drilling machine; brief for commissioner of patents.
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Sommer, Kurt. In Court of Customs and Patent Appeals, patent appeal no. 2876, in re Kurt Sommer and Paul Maca, glass drilling machine; brief for commissioner of patents.
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Sommer, Kurt. In Court of Customs and Patent Appeals, patent appeal no. 2876, in re Kurt Sommer and Paul Maca, glass drilling machine; brief for commissioner of patents.