Bertsch, Heinrich. In Court of Customs and Patent Appeals, patent appeal no. 4672, in re Heinrich Bertsch for wetting, cleaning, and dispersing agents; brief for commissioner of patents.
Publication Title:
Bertsch, Heinrich. In Court of Customs and Patent Appeals, patent appeal no. 4672, in re Heinrich Bertsch for wetting, cleaning, and dispersing agents; brief for commissioner of patents.
Display Title:
Bertsch, Heinrich. In Court of Customs and Patent Appeals, patent appeal no. 4672, in re Heinrich Bertsch for wetting, cleaning, and dispersing agents; brief for commissioner of patents.