SD

Stephen duPont

📍 Osprey, FL: #1 of 5 inventorsTop 20%
🗺 Florida: #136 of 2,217 inventorsTop 7%
Overall (1989): #15,542 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4867718 Hydrofoil oar 1989-09-19
4867719 Hydrofoil oar with movable outrigger 1989-09-19