JK

J. Matthew Kempainen

📍 Mendota Heights, MN: #15 of 34 inventorsTop 45%
🗺 Minnesota: #2,773 of 7,575 inventorsTop 40%
Overall (2020): #437,958 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10718108 Bridge for use in constructing a multi-stage block wall Patrick E. Dean, Daniel J. Curry, Kong Cheng Moua, Michael Stoneburner, Daniel Sylvestre 2020-07-21