Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581702 | Three-cone rock bit with multi-ported non-plugging center jet nozzle and method | — | 2003-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581702 | Three-cone rock bit with multi-ported non-plugging center jet nozzle and method | — | 2003-06-24 |