DK

David Koehler

Dr. Ing. H.C. F. Porsche Ag: 1 patents #1,158 of 2,421Top 50%
📍 Fairmont, MN: #21 of 72 inventorsTop 30%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #1,831,932 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11220188 Motor vehicle charging cable Raoul Heyne, Jari Roenfanz 2022-01-11
4674254 Wood track suspension ceiling system Mark Koehler 1987-06-23