ER

Eugene W. Riggs

📍 Coopersville, MI: #26 of 40 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,934,978 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856200 Trailer hitch alignment device — 1989-08-15