SD

Steven Robert Drosendahl

MA Mattel: 5 patents #166 of 1,179Top 15%
Overall (All Time): #1,020,899 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7905305 Blow-molded wheels having undulating treads, methods for producing the same, and children's ride-on vehicles including the same Christopher F. Lucas, John Rhein, Gerald P. Sitarski 2011-03-15
7568538 Children's ride-on vehicle charging assemblies with back feed protection Stephen Michalak, Jeffrey W. Reynolds 2009-08-04
7413041 Children's ride-on vehicles having improved motor assemblies Jeffrey W. Reynolds 2008-08-19
6554087 Steering assembly for children's ride on vehicles Kurt J. Huntsberger, Daniel J. Damon 2003-04-29
6470982 Children's ride-on vehicle with mechanical speed control Gerald P. Sitarski, Daniel Dignitti, Walter C. Miazga, Douglas A. Knight 2002-10-29