DG

Donald R. Girdler

CO Conocophillips: 1 patents #12 of 69Top 20%
🗺 Texas: #3,902 of 13,174 inventorsTop 30%
Overall (2025): #402,350 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12203338 Method and apparatus for cementing and cleaning a reservoir liner Hans Martin Leistad, Leif Kvarme 2025-01-21