Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315041 | Multi-zone isolation tool and method of stimulating and testing a subterranean well | Douglas J. Lehr | 2001-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315041 | Multi-zone isolation tool and method of stimulating and testing a subterranean well | Douglas J. Lehr | 2001-11-13 |