Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D903814 | Insect and butterfly cage | — | 2020-12-01 |
| D903043 | Insect and butterfly cage | — | 2020-11-24 |
| 5226477 | System for recovery and utilization of exhaust heat from a reformer | Hanlong YUAN, Jingcheng He, Dingquan LIU, Zisong Zheng, Yigang Yang +1 more | 1993-07-13 |