Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273049 | Combination door lock de-icer and torch and key ring | Siu Ling Lam, King Ming Chan | 1984-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273049 | Combination door lock de-icer and torch and key ring | Siu Ling Lam, King Ming Chan | 1984-03-13 |