Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950108 | Castor that is braked and positioned simultaneously | Sung-Wang Yang, Po-Lu Chen | 2011-05-31 |
| 7891039 | Cleaning apparatus with fast wringing ability | — | 2011-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950108 | Castor that is braked and positioned simultaneously | Sung-Wang Yang, Po-Lu Chen | 2011-05-31 |
| 7891039 | Cleaning apparatus with fast wringing ability | — | 2011-02-22 |