Lee; Changgun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lee; Changgun.The latest application filed is for "cleaner".
- Lee; Changgun - Seoul KR
| Patent | Date |
|---|---|
| Cyclone type dust collector and cleaner having the same Grant 11,330,947 - Hyun , et al. May 17, 2 | 2022-05-17 |
| Cleaner Grant 11,160,428 - Lee , et al. November 2, 2 | 2021-11-02 |
| Dust collector and cleaner having the same Grant 11,147,423 - Hyun , et al. October 19, 2 | 2021-10-19 |
| Cleaner App 20210212538 - LEE; Seungyeop ; et al. | 2021-07-15 |
| Vacuum Suctioning Unit App 20200163514 - LEE; Jeongho ; et al. | 2020-05-28 |
| Dust collector and cleaner having the same Grant 10,639,652 - Hyun , et al. | 2020-05-05 |
| Vacuum suctioning unit Grant 10,575,695 - Lee , et al. | 2020-03-03 |
| Cleaner App 20200008636 - LEE; Sangchul ; et al. | 2020-01-09 |
| Cyclone Type Dust Collector And Cleaner Having The Same App 20190282050 - HYUN; Kietak ; et al. | 2019-09-19 |
| Vacuum Suction Unit App 20190154057 - LEE; Jeongho ; et al. | 2019-05-23 |
| Dust Collector And Cleaner Having The Same App 20190091703 - Hyun; Kietak ; et al. | 2019-03-28 |
| Dust Collector And Cleaner Having The Same App 20190090709 - Hyun; Kietak ; et al. | 2019-03-28 |
| Vacuum Suctioning Unit App 20180064302 - LEE; Jeongho ; et al. | 2018-03-08 |
| Vacuum Suction Unit App 20160290359 - LEE; Jeongho ; et al. | 2016-10-06 |
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