LH

Leslie Howell

📍 Elk City, OK: #1 of 5 inventorsTop 20%
🗺 Oklahoma: #264 of 935 inventorsTop 30%
Overall (2022): #362,283 of 548,613Top 70%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11220883 Retrievable back pressure valve and method of using same Belo Kellam, Weldon Kennedy 2022-01-11