Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712163 | Rock drilling tool | Werner Kleine, Hans-Werner Bongers-Ambrosius, Martin Richter | 2004-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712163 | Rock drilling tool | Werner Kleine, Hans-Werner Bongers-Ambrosius, Martin Richter | 2004-03-30 |