Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6209636 | Wellbore primary barrier and related systems | John D. Roberts, Jan Drechsler, Tom Unsgaard, Eirik Enerstvedt, William A. Blizzard, Jr. +2 more | 2001-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6209636 | Wellbore primary barrier and related systems | John D. Roberts, Jan Drechsler, Tom Unsgaard, Eirik Enerstvedt, William A. Blizzard, Jr. +2 more | 2001-04-03 |