LK

Levi J. Krutzfeldt

TW The Charles Machine Works: 2 patents #90 of 211Top 45%
📍 Perry, OK: #45 of 85 inventorsTop 55%
🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%
Overall (All Time): #1,917,987 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10844574 Mobile vacuum system David A. Bural, L. Shane Ingram, Vernon T. Stellman 2020-11-24
D895914 Vacuum system B. Zac Blumer, Benjamin S. Burkhart, L. Shane Ingram, Jim L. Lee 2020-09-08