CH

Charles L. Hammond

SS Sioux Steel: 1 patents #1 of 6Top 20%
📍 Sioux Falls, SD: #6 of 23 inventorsTop 30%
🗺 South Dakota: #15 of 102 inventorsTop 15%
Overall (2005): #225,204 of 245,428Top 95%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6854926 Zero ground disturbance system Donald J. Siglin, David A. Ver Steeg, Gary D. Seeba, Keith Polzin, Gary Hoover 2005-02-15