Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473156 | Chrome-free leather retanning | Edwin Nungesser, Caiyun Li, Pu Luo | 2022-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473156 | Chrome-free leather retanning | Edwin Nungesser, Caiyun Li, Pu Luo | 2022-10-18 |