WH

William R. Howell

MA Mattel: 2 patents #9 of 126Top 8%
📍 Fort Worth, TX: #17 of 160 inventorsTop 15%
🗺 Texas: #1,743 of 11,512 inventorsTop 20%
Overall (2011): #58,536 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7938218 Children's ride-on vehicles having ground detection systems John Rhein, Gerald P. Sitarski, Richard A. Zirnheld, Jeffrey W. Reynolds 2011-05-10
7918240 Systems for preventing overinflation of inner tubes Ronald M. Asbach 2011-04-05