Welblund. Albert. In Court of Customs and Patent Appeals, patent appeal no. 5242, in re Albert Welblund and Fred Benard, improvements in metal ingots, castings, and shapes: brief for commissioner of patents.
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Welblund. Albert. In Court of Customs and Patent Appeals, patent appeal no. 5242, in re Albert Welblund and Fred Benard, improvements in metal ingots, castings, and shapes: brief for commissioner of patents.
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Welblund. Albert. In Court of Customs and Patent Appeals, patent appeal no. 5242, in re Albert Welblund and Fred Benard, improvements in metal ingots, castings, and shapes: brief for commissioner of patents.