DD

Darel W. Duvall

📍 Tulsa, OK: #51 of 178 inventorsTop 30%
🗺 Oklahoma: #253 of 936 inventorsTop 30%
Overall (2018): #447,101 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9897244 Grout reinforced piggable pipeline connector — 2018-02-20