Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702596 | Roof water inlet | Heinz Haesler | 1997-12-30 |
| 5121509 | Overflow and drain fittings for sanitary devices | — | 1992-06-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702596 | Roof water inlet | Heinz Haesler | 1997-12-30 |
| 5121509 | Overflow and drain fittings for sanitary devices | — | 1992-06-16 |