Ackenbach, Earl. In Court of Customs and Patent Appeals, patent appeal no. 2532, in re Earl Ackenbach, method of producing advertising literature and the like; brief for commissioner of patents.
Publication Title:
Ackenbach, Earl. In Court of Customs and Patent Appeals, patent appeal no. 2532, in re Earl Ackenbach, method of producing advertising literature and the like; brief for commissioner of patents.
Display Title:
Ackenbach, Earl. In Court of Customs and Patent Appeals, patent appeal no. 2532, in re Earl Ackenbach, method of producing advertising literature and the like; brief for commissioner of patents.