RK

Richard R. Koopmann

📍 Sioux Falls, SD: #18 of 63 inventorsTop 30%
🗺 South Dakota: #56 of 228 inventorsTop 25%
Overall (2017): #268,351 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9816425 Air heating apparatus Nathan Thompson, Luke Tooley, Joseph Naglestad, Chris Wielenga 2017-11-14