DS

David A. Ver Steeg

SS Sioux Steel: 1 patents #18 of 37Top 50%
SM Spartan Motors: 1 patents #19 of 45Top 45%
📍 Sioux Falls, SD: #169 of 532 inventorsTop 35%
🗺 South Dakota: #678 of 2,308 inventorsTop 30%
Overall (All Time): #2,079,555 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8555990 Integrated pumper apparatus Paul D. Cressman 2013-10-15
6854926 Zero ground disturbance system Donald J. Siglin, Charles L. Hammond, Gary D. Seeba, Keith Polzin, Gary Hoover 2005-02-15