DB

David A. Bural

TW The Charles Machine Works: 1 patents #11 of 29Top 40%
📍 Edmond, OK: #14 of 62 inventorsTop 25%
🗺 Oklahoma: #289 of 964 inventorsTop 30%
Overall (2017): #452,408 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9821953 Apparatus for sealing a vacuum tank door Cody L. Sewell 2017-11-21