HH

Helmut Hetzel

ZA Zahnradfabrik Friedrichshafen Ag: 1 patents #4 of 44Top 10%
📍 Schwäbisch Gmünd, DE: #4 of 12 inventorsTop 35%
Overall (1989): #106,830 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848402 Rotary slide valve for hydraulic auxiliary power steerings Dieter Elser, Manfred Keller 1989-07-18