Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622211 | Preperforated coiled tubing | John R. Martin | 1997-04-22 |
| 5526881 | Preperforated coiled tubing | John R. Martin | 1996-06-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622211 | Preperforated coiled tubing | John R. Martin | 1997-04-22 |
| 5526881 | Preperforated coiled tubing | John R. Martin | 1996-06-18 |