Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8603935 | Method for manufacturing photocatalyst multifunctional dust-free active carbon color ball | Canghai Li, Rong Zhao | 2013-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8603935 | Method for manufacturing photocatalyst multifunctional dust-free active carbon color ball | Canghai Li, Rong Zhao | 2013-12-10 |