DC

David Frederick Chalus

NV National Oilwell Varco: 1 patents #6 of 102Top 6%
📍 Edmonton, CA: #74 of 317 inventorsTop 25%
Overall (2020): #503,961 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10822924 Multi-well bop cellar trailer Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu 2020-11-03