CAO; YAN-LEI
Patent Applications and Registrations
Patent applications and USPTO patent grants for CAO; YAN-LEI.The latest application filed is for "waterproof connecting structure and electronic device".
- CAO; YAN-LEI - Zhengzhou CN
- Cao; Yan-Lei - Shenzhen CN
| Patent | Date |
|---|---|
| Waterproof Connecting Structure And Electronic Device App 20220304176 - YUAN; BO-DUO ; et al. | 2022-09-22 |
| Adjustable nose bridge and glasses having same Grant 11,360,324 - Cao June 14, 2 | 2022-06-14 |
| Locking device Grant 11,219,282 - Cao , et al. January 11, 2 | 2022-01-11 |
| Locking Device App 20210361034 - CAO; YAN-LEI ; et al. | 2021-11-25 |
| Locking Device App 20210353011 - CAO; YAN-LEI ; et al. | 2021-11-18 |
| Locking device Grant 11,172,736 - Cao , et al. November 16, 2 | 2021-11-16 |
| Adjustable Nose Bridge And Glasses Having Same App 20210215951 - CAO; YAN-LEI | 2021-07-15 |
| Wearable device Grant 10,772,393 - Cao Sept | 2020-09-15 |
| Wearable Device App 20200268113 - CAO; YAN-LEI | 2020-08-27 |
| Watch fastener and watch band using the watch fastener Grant 9,491,991 - Rong , et al. November 15, 2 | 2016-11-15 |
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