Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657494 | Toilet flushing device | — | 1997-08-19 |
| 5653252 | Drain valve for a flush tank | Marco Steg | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657494 | Toilet flushing device | — | 1997-08-19 |
| 5653252 | Drain valve for a flush tank | Marco Steg | 1997-08-05 |