Cummings, Stanley R. In Court of Customs and Patent Appeals, patent appeal no. 4722, in re Stanley R. Cummings, suction cleaners; brief for commissioner of patents.
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Cummings, Stanley R. In Court of Customs and Patent Appeals, patent appeal no. 4722, in re Stanley R. Cummings, suction cleaners; brief for commissioner of patents.
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Cummings, Stanley R. In Court of Customs and Patent Appeals, patent appeal no. 4722, in re Stanley R. Cummings, suction cleaners; brief for commissioner of patents.