DG

Donald R. Girdler

CO Conocophillips: 2 patents #287 of 954Top 35%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,690,703 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12203338 Method and apparatus for cementing and cleaning a reservoir liner Hans Martin Leistad, Leif Kvarme 2025-01-21
10851618 Method and apparatus for cementing and cleaning a reservoir liner Hans Martin Leistad, Leif Kvarme 2020-12-01