DR

David Richard

📍 Sulphur, LA: #1 of 6 inventorsTop 20%
🗺 Louisiana: #160 of 786 inventorsTop 25%
Overall (2020): #496,982 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10711542 Circumferential displacement sucker rod tong Monte Neil Wright, Donald Nicholas Carmelo, Andrew Richard, Harold James Miller 2020-07-14