Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337843 | Hole opener for the top hole section of oil/gas wells | Kjell-Egil Stangeland, Arnold Furre | 1994-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337843 | Hole opener for the top hole section of oil/gas wells | Kjell-Egil Stangeland, Arnold Furre | 1994-08-16 |