DK

Donald J. Klassen

3M: 1 patents #7,233 of 11,543Top 65%
📍 Grand Marais, MN: #14 of 21 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,958,936 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4770490 Filament reinforced tape Larry Gruenewald 1988-09-13