Inventor
RHEIN JOHN
US4 patents
Patents
4 patentsUS7938218B2May 10, 2011
Children's ride-on vehicles having ground detection systems
MATTEL INC11 citations82
US7591335B2Sep 22, 2009
Children's ride-on vehicles having ground detection systems
MATTEL INC15 citations82
US7487850B2Feb 10, 2009
Children's ride-on vehicles having improved shifter assemblies
MATTEL INC8 citations80
US7905305B2Mar 15, 2011
Blow-molded wheels having undulating treads, methods for producing the same, and children's ride-on vehicles including the same
MATTEL INC11 citations78