DF

Duane R. Franklin

📍 San Fernando, CA: #775 of 2,303 inventorsTop 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,345,728 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4712653 Energy-recycling scissors lift Archibald D. Evans, Walter J. Hansen 1987-12-15
4558648 Energy-recycling scissors lift Archibald D. Evans 1985-12-17