Keller, Myrtle R. In Court of Customs and Patent Appeals, patent appeal no. 3650, in re Myrtle R. Keller, fingering indicating means [for typewriters]; brief for commissioner of patents.
Publication Title:
Keller, Myrtle R. In Court of Customs and Patent Appeals, patent appeal no. 3650, in re Myrtle R. Keller, fingering indicating means [for typewriters]; brief for commissioner of patents.
Display Title:
Keller, Myrtle R. In Court of Customs and Patent Appeals, patent appeal no. 3650, in re Myrtle R. Keller, fingering indicating means [for typewriters]; brief for commissioner of patents.