Grisicold, Donald G. In Court of Customs and Patent Appeals, patent appeal no. 5060, in re Donald G. Griswold, anti-siphon valve; brief for commissioner of patents.
Publication Title:
Grisicold, Donald G. In Court of Customs and Patent Appeals, patent appeal no. 5060, in re Donald G. Griswold, anti-siphon valve; brief for commissioner of patents.
Display Title:
Grisicold, Donald G. In Court of Customs and Patent Appeals, patent appeal no. 5060, in re Donald G. Griswold, anti-siphon valve; brief for commissioner of patents.