Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11860451 | Cleaning device for orthokeratology lens | Hsu-Wei Fang, Chen-Ying Su | 2024-01-02 |
| 8156607 | Mop wringer | — | 2012-04-17 |
| 8032975 | Mop | — | 2011-10-11 |
| 8028369 | Mop and wringer combination | — | 2011-10-04 |
| 8015652 | Mop wringer with handle being shaped in conformity to a recessed half of top edge | — | 2011-09-13 |
| 7963405 | Shoe rack | Li-Chi Chu | 2011-06-21 |
| 7861870 | Shoe rack | Li-Chi Chu | 2011-01-04 |