KP

Keith Polzin

SS Sioux Steel: 2 patents #12 of 37Top 35%
📍 Sioux Falls, SD: #106 of 532 inventorsTop 20%
🗺 South Dakota: #384 of 2,308 inventorsTop 20%
Overall (All Time): #1,209,521 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8959846 Granular material storage capacity increasing device and system Mike Snoozy, Lucas L. Lorenzen, Chad Kramer 2015-02-24
6854926 Zero ground disturbance system Donald J. Siglin, David A. Ver Steeg, Charles L. Hammond, Gary D. Seeba, Gary Hoover 2005-02-15
6305486 Hydrostatic drive and steering system for a utility vehicle Gene A. Van Voorst 2001-10-23
D295007 Wall-mounted foldable work bench Robert E. Hardy, Duane J. Walhof, Terry A. Adams, David A. Kocak, Donald J. Siglin +7 more 1988-04-05