Person, Earl R. In Court of Customs and Patent Appeals, patent appeal no. 3287, in re Earl R. Person, combined brush back and handle; brief for commissioner of patents.
Publication Title:
Person, Earl R. In Court of Customs and Patent Appeals, patent appeal no. 3287, in re Earl R. Person, combined brush back and handle; brief for commissioner of patents.
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Person, Earl R. In Court of Customs and Patent Appeals, patent appeal no. 3287, in re Earl R. Person, combined brush back and handle; brief for commissioner of patents.