Chang; Daeho
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Daeho.The latest application filed is for "cleaner system".
- Chang; Daeho - Seoul KR
| Patent | Date |
|---|---|
| Cleaner Grant 11,382,469 - Yang , et al. July 12, 2 | 2022-07-12 |
| Cleaner Grant 11,375,863 - Yang , et al. July 5, 2 | 2022-07-05 |
| Nozzle for cleaner Grant 11,357,381 - Ko , et al. June 14, 2 | 2022-06-14 |
| Cleaner System App 20220110496 - CHANG; Daeho ; et al. | 2022-04-14 |
| Cleaner System App 20220104669 - CHANG; Daeho ; et al. | 2022-04-07 |
| Handheld cleaner Grant 11,272,818 - Yang , et al. March 15, 2 | 2022-03-15 |
| Cleaner Grant 11,191,410 - Woo , et al. December 7, 2 | 2021-12-07 |
| Cleaner App 20210235953 - LEE; Dongjae ; et al. | 2021-08-05 |
| Vacuum cleaner Grant 10,925,454 - Yang , et al. February 23, 2 | 2021-02-23 |
| Vacuum Cleaner App 20200397203 - YANG; Ingyu ; et al. | 2020-12-24 |
| Cleaner App 20200383539 - YANG; Ingyu ; et al. | 2020-12-10 |
| Cleaner App 20200383541 - YANG; Ingyu ; et al. | 2020-12-10 |
| Cleaner App 20200383542 - YANG; Ingyu ; et al. | 2020-12-10 |
| Cleaner App 20200383543 - YANG; Ingyu ; et al. | 2020-12-10 |
| Cleaner App 20190335965 - YANG; Ingyu ; et al. | 2019-11-07 |
| Nozzle For Cleaner App 20190328200 - KO; Moohyun ; et al. | 2019-10-31 |
| Cleaner App 20190328199 - WOO; Namil ; et al. | 2019-10-31 |
| Vacuum Cleaner App 20180303304 - YANG; Ingyu ; et al. | 2018-10-25 |
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