Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468743 | Baby gate operable hands free by designated persons | Yau Choi Tse, Siu Hung Chan | 2013-06-25 |
| 8342977 | Automatic baby swing | Yau Choi Tse, Chi F. Chan | 2013-01-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468743 | Baby gate operable hands free by designated persons | Yau Choi Tse, Siu Hung Chan | 2013-06-25 |
| 8342977 | Automatic baby swing | Yau Choi Tse, Chi F. Chan | 2013-01-01 |