Crawford, William E. In Court of Customs and Patent Appeals, patent appeal no. 5087, in re William E. Crawford, hot water tank construction; brief for commissioner of patents.
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Crawford, William E. In Court of Customs and Patent Appeals, patent appeal no. 5087, in re William E. Crawford, hot water tank construction; brief for commissioner of patents.
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Crawford, William E. In Court of Customs and Patent Appeals, patent appeal no. 5087, in re William E. Crawford, hot water tank construction; brief for commissioner of patents.