Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993491 | Fracture stimulation of coal degasification wells | Ian Palmer, David C. Gardner, Ralph W. Veatch | 1991-02-19 |
| 4913237 | Remedial treatment for coal degas wells | — | 1990-04-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993491 | Fracture stimulation of coal degasification wells | Ian Palmer, David C. Gardner, Ralph W. Veatch | 1991-02-19 |
| 4913237 | Remedial treatment for coal degas wells | — | 1990-04-03 |