DD

David J. Diel

TW The Charles Machine Works: 1 patents #8 of 31Top 30%
📍 Perry, OK: #5 of 15 inventorsTop 35%
🗺 Oklahoma: #202 of 722 inventorsTop 30%
Overall (2025): #414,388 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1089341 Microtrencher blade Michael C. Walgren, Brant Douglas Kukuk, Todd J. Streck 2025-08-19