Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D634100 | Clothing collar protector | — | 2011-03-15 |
| D449161 | Security case | Leung Yiu Ming | 2001-10-16 |
| 6240750 | Security case | Leung Yiu Ming | 2001-06-05 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D634100 | Clothing collar protector | — | 2011-03-15 |
| D449161 | Security case | Leung Yiu Ming | 2001-10-16 |
| 6240750 | Security case | Leung Yiu Ming | 2001-06-05 |