Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228897 | Cement through side pocket mandrel | James Holt, Walter Chapman, James H. Kritzler, Keith E. Lewis | 2007-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228897 | Cement through side pocket mandrel | James Holt, Walter Chapman, James H. Kritzler, Keith E. Lewis | 2007-06-12 |