CS

Charles R. Spence

📍 Winona, MN: #97 of 171 inventorsTop 60%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,119,700 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4222492 Method for extending a boom assembly James G. Wuerflein 1980-09-16