Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100845 | Switch-equipped sprinkler | — | 2006-09-05 |
| 6658672 | Hinge of toilet bowl seat and toilet bowl cover | — | 2003-12-09 |
| 6543065 | Toilet bowl cover | — | 2003-04-08 |
| 5996135 | Water-saving structure of toilet bowl | — | 1999-12-07 |
| D390913 | Shower head | — | 1998-02-17 |
| D356854 | Shower head | — | 1995-03-28 |