Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634440 | Tool for the removal of a drill core | Manfred Hartmann | 2003-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634440 | Tool for the removal of a drill core | Manfred Hartmann | 2003-10-21 |