DC

David Frederick Chalus

NV National Oilwell Varco: 1 patents #240 of 551Top 45%
NU Nov Canada Ulc: 1 patents #6 of 15Top 40%
📍 Edmonton, CA: #922 of 2,912 inventorsTop 35%
Overall (All Time): #1,794,068 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11549337 Multi-well bop cellar trailer Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu 2023-01-10
10822924 Multi-well bop cellar trailer Kameron Wayne Konduc, Randy Steven Stoik, Roman Konowalec, Jonathon Douglas Callaghan, Li Liu 2020-11-03