DW

David G. Wolfram

MA Mattel: 2 patents #399 of 1,179Top 35%
📍 Hermosa Beach, CA: #237 of 553 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,200,499 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6540580 Yo yo having removable toy figures and container playset — 2003-04-01
5478269 Toy figure having grasping claw — 1995-12-26