MD

Melvern L. Duffield

📍 Pueblo, CO: #68 of 189 inventorsTop 40%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #4,079,210 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361342 Tow hitch assembly — 1982-11-30