Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220301 | Drainage system | — | 2001-04-24 |
| 6164869 | Device for influencing a flow of waste water | Ralf Muhlhaupt | 2000-12-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220301 | Drainage system | — | 2001-04-24 |
| 6164869 | Device for influencing a flow of waste water | Ralf Muhlhaupt | 2000-12-26 |