Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283610 | Flashlight with rotatable head and threaded connection mechanism | — | 2001-09-04 |
| D410328 | Umbrella handle with rotatable-head flashlight | Dong Hua | 1999-06-01 |
| 5668880 | Inter-vehicle personal data communications device | — | 1997-09-16 |
| 5280799 | Umbrella with two-way flashlight | — | 1994-01-25 |