Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427776 | Sand removal and device retrieval tool | Corey Hoffman, Richard L. Giroux, Stephen J. Norris | 2002-08-06 |
| 6349771 | Flow actuated shut-off valve | — | 2002-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427776 | Sand removal and device retrieval tool | Corey Hoffman, Richard L. Giroux, Stephen J. Norris | 2002-08-06 |
| 6349771 | Flow actuated shut-off valve | — | 2002-02-26 |