Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808386 | Gas lighter with a locking device | — | 2004-10-26 |
| 6733277 | Lighter with a lock-off switch | — | 2004-05-11 |
| 6692248 | Lighter with high-voltage discharge control | Zhihong Jiang | 2004-02-17 |