Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912753 | Manual floor sweeper | Timmy Hok Yin Sin, Kevin Kam Hoi Ma | 2005-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912753 | Manual floor sweeper | Timmy Hok Yin Sin, Kevin Kam Hoi Ma | 2005-07-05 |