Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D976656 | Fresh-keeping bag | — | 2023-01-31 |
| 11473156 | Chrome-free leather retanning | Edwin Nungesser, Andrew Hejl, Pu Luo | 2022-10-18 |
| D940515 | Fresh-keeping bag | — | 2022-01-11 |
| 10745583 | Aqueous coating composition and method of preparing the same | Fu Zhan, Yaobang Li, Jinyuan Zhang, Jiansheng Feng, Xiangting Dong +1 more | 2020-08-18 |
| 9970070 | Chrome-free leather retanning | Fengyi Su, Yin Xue | 2018-05-15 |