Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749018 | Bit run and retrieval wear bushing and tool | Bill Mair | 2004-06-15 |
| 6719044 | Wear bushing running and retrieval tools | Kevin R. Koen, Fergus Coutts Hines | 2004-04-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749018 | Bit run and retrieval wear bushing and tool | Bill Mair | 2004-06-15 |
| 6719044 | Wear bushing running and retrieval tools | Kevin R. Koen, Fergus Coutts Hines | 2004-04-13 |