Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226485 | Pass-through zone isolation packer and process for isolating zones in a multiple-zone well | Francis X. Dobscha, Jerrald L. Saulsberry | 1993-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226485 | Pass-through zone isolation packer and process for isolating zones in a multiple-zone well | Francis X. Dobscha, Jerrald L. Saulsberry | 1993-07-13 |