Helmuth, Louis W. In Court of Customs and Patent Appeals, patent appeal no. 4771, in re Louis W. Helmuth, combination bathroom structures brief for commissioner of patents.
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Helmuth, Louis W. In Court of Customs and Patent Appeals, patent appeal no. 4771, in re Louis W. Helmuth, combination bathroom structures brief for commissioner of patents.
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Helmuth, Louis W. In Court of Customs and Patent Appeals, patent appeal no. 4771, in re Louis W. Helmuth, combination bathroom structures brief for commissioner of patents.