BI

Barrie G. Ibsen

📍 Cut Bank, MT: #1 of 11 inventorsTop 10%
🗺 Montana: #711 of 3,198 inventorsTop 25%
Overall (All Time): #1,679,345 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4502550 Modular through-tubing casing gun — 1985-03-05
4467878 Shaped charge and carrier assembly therefor — 1984-08-28
4253523 Method and apparatus for well perforation and fracturing operations — 1981-03-03