RK

Ralf Kroener

Dr. Ing. H.C. F. Porsche Ag: 3 patents #489 of 2,421Top 25%
Overall (All Time): #1,583,572 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7445540 Guide mechanism for a track-guided toy vehicle Uwe Reuter, Thomas Weidner, Cong-Uan Doan 2008-11-04
7429204 Toy vehicle having an electric drive Uwe Reuter, Thomas Weidner, Cong-Uan Doan 2008-09-30
7311582 Current collecting device for a track guided sport vehicle Uwe Reuter 2007-12-25