FM

Fritz Marggraff

📍 Konstanz, DE: #281 of 527 inventorsTop 55%
Overall (All Time): #3,981,053 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4690089 Boat with a raisable and lowerable keel 1987-09-01