DB

David A. Blanchard

📍 Frazee, MN: #2 of 9 inventorsTop 25%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,571,335 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6183237 Cement slab surface beveling device James N. Johnson 2001-02-06