Liang; Jiwu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liang; Jiwu.The latest application filed is for "eg-1680 three hole electric puncher".
- Liang; Jiwu - Guangzhou CN
- Liang; Jiwu - Shaoguan CN
| Patent | Date |
|---|---|
| Electric punch Grant D897,429 - Chan , et al. September 29, 2 | 2020-09-29 |
| EG-1680 three hole electric puncher Grant 10,759,078 - Chan , et al. Sep | 2020-09-01 |
| EG-1680 Three hole electric puncher App 20200164540 - Chan; Siu Leung ; et al. | 2020-05-28 |
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