PE

Philip J. Engelman

NH Ntdrill Holdings: 1 patents #4 of 9Top 45%
📍 Ham Lake, MN: #129 of 189 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #2,634,829 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11236575 Rotating control device with multiple seal cartridge Earl Dietrich, Christian Leuchtenberg, Jeffrey S. Meister, Daniel Sabelko, Nicolas A. Haugen 2022-02-01