Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220834 | Support pipe for concrete pump with pivoting valve | Hellmut Hurr, Hartmut Benckert | 2001-04-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220834 | Support pipe for concrete pump with pivoting valve | Hellmut Hurr, Hartmut Benckert | 2001-04-24 |