Inventor

KROENER RALF

DE3 patents

Patents

3 patents

US7445540B2Nov 4, 2008

Guide mechanism for a track-guided toy vehicle

PORSCHE AG3 citations57

US7429204B2Sep 30, 2008

Toy vehicle having an electric drive

PORSCHE AG2 citations57

US7311582B2Dec 25, 2007

Current collecting device for a track guided sport vehicle

PORSCHE AG0 citations47