DA

DONALD V. ALLEN

📍 Cortez, CO: #9 of 24 inventorsTop 40%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,625,388 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6109640 Wheeled gooseneck adapter for standard hitch trailer Donald G. Lien 2000-08-29