Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813084 | Cleaning system for toilet bowls | Herbert Buecheler, Bernd-Dieter Holdt, Ronald Menke, Erich Tuerk | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813084 | Cleaning system for toilet bowls | Herbert Buecheler, Bernd-Dieter Holdt, Ronald Menke, Erich Tuerk | 1989-03-21 |