Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722877 | Utility lighter with disabling mechanism | Boqi Wang, Lixiang Mao | 2004-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722877 | Utility lighter with disabling mechanism | Boqi Wang, Lixiang Mao | 2004-04-20 |