RH

Rolf Helber

Daimlerchrysler Ag: 2 patents #969 of 4,854Top 20%
DA Daimler-Benz Ag: 1 patents #661 of 1,737Top 40%
Overall (All Time): #1,249,301 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7616767 Method and device for determining acoustical transfer impedance Klaus Geiger, Christian Glandier 2009-11-10
6932189 Device for noise structuring in a motor vehicle Marcus Hofmann, Roudolf Starobinski 2005-08-23
D419740 Cart Martin Blaha, Martin Hannig, Edwin R. Laessle, Dieter Rohkohl 2000-01-25
4852533 Mounting arrangement for vehicle engine and the like Francis Doncker, Gerhard Welzel, Richard Bung 1989-08-01