MD

Melvern L. Duffield

📍 Pueblo, CO: #2 of 3 inventorsTop 70%
🗺 Colorado: #133 of 721 inventorsTop 20%
Overall (1982): #43,183 of 81,411Top 55%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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