HF

Helmut Fronius

ZA Zf Friedrichshafen Ag: 1 patents #22 of 101Top 25%
Overall (2004): #212,308 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6827189 Electromagnetically actuated, single-surface friction coupling, without a rotor slip ring Rudolf Schneider 2004-12-07