CD

Charles E. Duckworth

📍 Deerfield Beach, FL: #71 of 274 inventorsTop 30%
🗺 Florida: #16,597 of 67,251 inventorsTop 25%
Overall (All Time): #1,682,331 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4476841 Vapor injection system for internal combustion engine — 1984-10-16
4200062 Safety switch for hydrogen generator system — 1980-04-29
4192266 Cooling system for internal combustion engine — 1980-03-11