CB

Calvin Blankenship

NV National Oilwell Varco: 1 patents #11 of 47Top 25%
📍 Frostburg, MD: #1 of 1 inventorsTop 100%
🗺 Maryland: #954 of 3,746 inventorsTop 30%
Overall (2022): #507,517 of 548,613Top 95%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11421479 Power swivel and lubrication system Christopher Brian Walker, Henry Do, Robert Ioan Papp, Mihail Puscas 2022-08-23