Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821191 | Extended-time release method and device for toilet cleaner | Zhanqiu Lai, Lili HU | 2023-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821191 | Extended-time release method and device for toilet cleaner | Zhanqiu Lai, Lili HU | 2023-11-21 |