DC

Dean Callahan

📍 Royal City, WA: #3 of 4 inventorsTop 75%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,910,194 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4952111 Pick up and stacking device for large hay bales — 1990-08-28