Lawson, John. In Court of Customs and Patent Appeals, patent appeal no. 3221, in re John Lawson and Robert H. Lawson, additional thread controlling mechanism for knitting machines; brief for commissioner of patents.
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Lawson, John. In Court of Customs and Patent Appeals, patent appeal no. 3221, in re John Lawson and Robert H. Lawson, additional thread controlling mechanism for knitting machines; brief for commissioner of patents.
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Lawson, John. In Court of Customs and Patent Appeals, patent appeal no. 3221, in re John Lawson and Robert H. Lawson, additional thread controlling mechanism for knitting machines; brief for commissioner of patents.