Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322285 | Combined firework | Yongzhang Liu, Weimin Zhong, Liang Zhong, Binbo Gong | 2012-12-04 |
| 8286556 | Integral-type combined firework | Yongzhang Liu, Weimin Zhong, Liang Zhong, Binbo Gong | 2012-10-16 |