KK

Karl J. F. Kroll

IN Intercomp: 7 patents #3 of 14Top 25%
KT Kroll Family Trust: 4 patents #3 of 7Top 45%
SU Survivalink: 4 patents #7 of 25Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Maple Grove, MN: #74 of 1,211 inventorsTop 7%
🗺 Minnesota: #2,295 of 52,454 inventorsTop 5%
Overall (All Time): #145,718 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4775018 Load cell assembly William P. Kroll, Robert E. K. Kroll, Mark W. Kroll 1988-10-04
4714121 Wheel scale assembly William P. Kroll, Robert E. K. Kroll, Mark W. Kroll 1987-12-22