LI

L. Shane Ingram

TW The Charles Machine Works: 2 patents #7 of 35Top 20%
📍 Perry, OK: #4 of 16 inventorsTop 25%
🗺 Oklahoma: #132 of 1,063 inventorsTop 15%
Overall (2020): #149,244 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

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