Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742597 | Safety check valve for coiled tubing | Andrew B. Campbell | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742597 | Safety check valve for coiled tubing | Andrew B. Campbell | 2004-06-01 |