Sampsel, Arthur V. In Court of Customs and Patent Appeals, patent appeal no. 3943, in re Arthur V. Sampsel, automatic stokers; brief for commissioner of patents.
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Sampsel, Arthur V. In Court of Customs and Patent Appeals, patent appeal no. 3943, in re Arthur V. Sampsel, automatic stokers; brief for commissioner of patents.
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Sampsel, Arthur V. In Court of Customs and Patent Appeals, patent appeal no. 3943, in re Arthur V. Sampsel, automatic stokers; brief for commissioner of patents.