JK

J. Matthew Kempainen

📍 Mendota Heights, MN: #8 of 30 inventorsTop 30%
🗺 Minnesota: #2,374 of 7,038 inventorsTop 35%
Overall (2021): #422,424 of 548,734Top 80%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10889980 Method for constructing a multi-stage block wall Patrick E. Dean, Daniel J. Curry, Kong Cheng Moua, Michael Stoneburner, Daniel Sylvestre 2021-01-12