Jardine, Frank. In Court of Customs and Patent Appeals, patent appeal no. 3044, in re Frank Jardine and James Cooper, improvements in piston; brief for commissioner of patents.
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Jardine, Frank. In Court of Customs and Patent Appeals, patent appeal no. 3044, in re Frank Jardine and James Cooper, improvements in piston; brief for commissioner of patents.
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Jardine, Frank. In Court of Customs and Patent Appeals, patent appeal no. 3044, in re Frank Jardine and James Cooper, improvements in piston; brief for commissioner of patents.