Frevert, Harry L. In Court of Customs and Patent Appeals, patent appeal no. 4436, in re Harry L. Frevert and Francis B. Foley, alloy steel for internal combustion valves or valve elements; brief for commissioner of patents.
Publication Title:
Frevert, Harry L. In Court of Customs and Patent Appeals, patent appeal no. 4436, in re Harry L. Frevert and Francis B. Foley, alloy steel for internal combustion valves or valve elements; brief for commissioner of patents.
Display Title:
Frevert, Harry L. In Court of Customs and Patent Appeals, patent appeal no. 4436, in re Harry L. Frevert and Francis B. Foley, alloy steel for internal combustion valves or valve elements; brief for commissioner of patents.