RK

Robert H. Koerner

📍 Coal City, IL: #4 of 18 inventorsTop 25%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #797,404 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12006708 Concrete container 2024-06-11
9845611 Device for securing temporary structures 2017-12-19
9469956 Drainage management system and method 2016-10-18
8911175 Drainage management system and method 2014-12-16
5048158 Keeper for coiled items 1991-09-17
4947610 Method and apparatus for building a brick wall 1990-08-14