MacFarren, Walter W. In Court of Customs and Patent Appeals, patent appeal no. 4465, in re Walter W. MacFarren, high speed rotary flying shears; brief for commissioner of patents.
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MacFarren, Walter W. In Court of Customs and Patent Appeals, patent appeal no. 4465, in re Walter W. MacFarren, high speed rotary flying shears; brief for commissioner of patents.
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MacFarren, Walter W. In Court of Customs and Patent Appeals, patent appeal no. 4465, in re Walter W. MacFarren, high speed rotary flying shears; brief for commissioner of patents.