Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420299 | Upside-down sprayer with an auxiliary air conducting device for liquid pumping | Ching-Chung Chan | 2025-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420299 | Upside-down sprayer with an auxiliary air conducting device for liquid pumping | Ching-Chung Chan | 2025-09-23 |