Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742555 | Device and method for producing columns of materials in the ground of bodies of water | Wilhelm Degen | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742555 | Device and method for producing columns of materials in the ground of bodies of water | Wilhelm Degen | 2004-06-01 |