Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8819890 | Rotational structure | — | 2014-09-02 |
| 8365341 | Mop assembly | — | 2013-02-05 |
| 8108961 | Broom assembly | Ming-Che Ting, Hung-Chun Peng | 2012-02-07 |
| 7743528 | Dehydrating device | — | 2010-06-29 |
| 7229393 | Resistance adjustable exercise device | Kung-Tai Liang | 2007-06-12 |