Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969523 | Method for gravel packing a well | James W. Martin | 1990-11-13 |
| 4796701 | Pyrolytic carbon coating of media improves gravel packing and fracturing capabilities | James W. Martin | 1989-01-10 |