Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816326 | Uphole disposal tool for water producing gas wells | — | 1998-10-06 |
| 5176216 | Bypass seating nipple | Daryl K. Duvall | 1993-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816326 | Uphole disposal tool for water producing gas wells | — | 1998-10-06 |
| 5176216 | Bypass seating nipple | Daryl K. Duvall | 1993-01-05 |