DC

David B. China

📍 Deltona, FL: #75 of 223 inventorsTop 35%
🗺 Florida: #22,299 of 67,251 inventorsTop 35%
Overall (All Time): #2,367,599 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4345761 Tetrahedral gaming die with recessed pyramidal faces — 1982-08-24
4300610 Card-like holder — 1981-11-17