Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D973106 | Blast pump | Longlin Chen | 2022-12-20 |
| D967574 | Vacuum cleaner | Longlin Chen | 2022-10-18 |
| D942936 | Emergency power supply | Longlin Chen | 2022-02-08 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D973106 | Blast pump | Longlin Chen | 2022-12-20 |
| D967574 | Vacuum cleaner | Longlin Chen | 2022-10-18 |
| D942936 | Emergency power supply | Longlin Chen | 2022-02-08 |