NI; Liangzheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for NI; Liangzheng.The latest application filed is for "chair backrest swing structure".
- NI; Liangzheng - Zhejiang CN
- Ni; Liangzheng - Hangzhou CN
| Patent | Date |
|---|---|
| Chair Backrest Swing Structure App 20220039557 - NI; Liangzheng ; et al. | 2022-02-10 |
| Chair Grant D941,599 - Ni , et al. January 25, 2 | 2022-01-25 |
| Chair back Grant D941,622 - Ni , et al. January 25, 2 | 2022-01-25 |
| Chair Grant D937,593 - Ni , et al. December 7, 2 | 2021-12-07 |
| Chair Grant D937,592 - Ni , et al. December 7, 2 | 2021-12-07 |
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