Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945982 | Mop structure | — | 2011-05-24 |
| 6180035 | Scouring pad fabricating method | Mo-Hsaing Lin | 2001-01-30 |
| 6148465 | Mophead for a sponge mop | Mo-Hsaing Lin | 2000-11-21 |
| 6065178 | Separate type sponge mop | — | 2000-05-23 |