Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494275 | Rock drill bit having retrac teeth and method for its manufacturing | Kenneth Larsson, Bertil Ederyd | 2002-12-17 |
| D454143 | Drill bit | — | 2002-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494275 | Rock drill bit having retrac teeth and method for its manufacturing | Kenneth Larsson, Bertil Ederyd | 2002-12-17 |
| D454143 | Drill bit | — | 2002-03-05 |