DK

David Koch

📍 Coon Rapids, MN: #12 of 39 inventorsTop 35%
🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%
Overall (2003): #241,442 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6601352 Insulated attic access cover Keith G. Obermeyer, James S. Andrews, John R. Twardy, Mark H. Theno 2003-08-05