Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412554 | Wellbore circulation system | Steven Anthony Box, Bernd-Georg Pietras, Jeffrey Michael Habetz | 2002-07-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412554 | Wellbore circulation system | Steven Anthony Box, Bernd-Georg Pietras, Jeffrey Michael Habetz | 2002-07-02 |