Yook; Sejin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yook; Sejin.The latest application filed is for "particulate matter collector".
- Yook; Sejin - Seoul KR
| Patent | Date |
|---|---|
| Particulate matter collecting apparatus Grant 11,338,240 - Jeong , et al. May 24, 2 | 2022-05-24 |
| Particulate Matter Collector App 20220126234 - Jeong; Joonseon ; et al. | 2022-04-28 |
| Cleaner Grant 11,160,428 - Lee , et al. November 2, 2 | 2021-11-02 |
| Particulate Matter Collecting Apparatus App 20210322917 - Jeong; Joonseon ; et al. | 2021-10-21 |
| Cleaner App 20210212538 - LEE; Seungyeop ; et al. | 2021-07-15 |
| Cleaner App 20200008636 - LEE; Sangchul ; et al. | 2020-01-09 |
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