Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10463089 | Back entry zipperless wetsuit | Shuen Piu Cheuk | 2019-11-05 |
| 4658116 | Hand-held electrical appliances | Fan Kwong Tsang, Ying-Shing Chan | 1987-04-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10463089 | Back entry zipperless wetsuit | Shuen Piu Cheuk | 2019-11-05 |
| 4658116 | Hand-held electrical appliances | Fan Kwong Tsang, Ying-Shing Chan | 1987-04-14 |