Chan; Ritha
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chan; Ritha.The latest application filed is for "handheld vacuum cleaner".
- Chan; Ritha - Charlotte NC
| Patent | Date |
|---|---|
| Handheld Vacuum Cleaner App 20190183303 - YUEN; Alvin Au Yeuk ; et al. | 2019-06-20 |
| Handheld Vacuum Cleaner App 20190183307 - Irfan; Mohammed ; et al. | 2019-06-20 |
| Battery Grant D844,556 - Irfan , et al. | 2019-04-02 |
| Handheld vacuum cleaner Grant D844,264 - Irfan , et al. | 2019-03-26 |
| Handheld vacuum cleaner Grant D838,067 - Irfan , et al. J | 2019-01-08 |
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