Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668389 | Vacuum toilet | Uwe Steinmetz, Thomas Dittmar, Steffen Zang | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668389 | Vacuum toilet | Uwe Steinmetz, Thomas Dittmar, Steffen Zang | 2003-12-30 |