JA

John T. Amrein

📍 Shawnee, KS: #3 of 51 inventorsTop 6%
🗺 Kansas: #48 of 1,241 inventorsTop 4%
Overall (2019): #52,046 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10513834 Modular block retaining wall construction system with channels and methods of manufacture and use Darren O'Rourke 2019-12-24
D866798 Modular block Darren O'Rourke 2019-11-12
D855834 Block insert Darren O'Rourke 2019-08-06
D854917 Collar David Rinaldi 2019-07-30