Holslag, Claude J. In Court of Customs and Patent Appeals, patent appeal no. 4992, in re Claude J. Holslag, mask for are welding; brief for commissioner of patents.
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Holslag, Claude J. In Court of Customs and Patent Appeals, patent appeal no. 4992, in re Claude J. Holslag, mask for are welding; brief for commissioner of patents.
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Holslag, Claude J. In Court of Customs and Patent Appeals, patent appeal no. 4992, in re Claude J. Holslag, mask for are welding; brief for commissioner of patents.