Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488477 | Material feed container, especially for thick material pumps | — | 2002-12-03 |
| 6338615 | Pipe switch for two-cylinder thick-material pump | Hartmut Benckert, Karl Schlecht | 2002-01-15 |