Kirby, John F. In Court of Customs and Patent Appeals, patent appeal no. 4250, in re John F. Kirby. pipe casting apparatus; brief for commissioner of patents.
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Kirby, John F. In Court of Customs and Patent Appeals, patent appeal no. 4250, in re John F. Kirby. pipe casting apparatus; brief for commissioner of patents.
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Kirby, John F. In Court of Customs and Patent Appeals, patent appeal no. 4250, in re John F. Kirby. pipe casting apparatus; brief for commissioner of patents.