RD

Ralf Davids

WG Werner & Pfleiderer Gmbh: 1 patents #43 of 114Top 40%
ZA Zahnraderfabrik Renk Ag: 1 patents #10 of 20Top 50%
Overall (All Time): #4,099,582 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4297917 Power distribution gearing for double helix extruders Erwin Bauer, Gerhard Gotz, Hilmar Jussen, Heinrich Arndt, Louis Kummel +2 more 1981-11-03