CHANG; Yuchul
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHANG; Yuchul.The latest application filed is for "electronic device including waterproof structure".
- CHANG; Yuchul - Suwon-si KR
- Chang; Yuchul - Gyeonggi-do KR
| Patent | Date |
|---|---|
| Electronic Device Including Waterproof Structure App 20220078937 - CHOI; Jong-Min ; et al. | 2022-03-10 |
| Electronic device including waterproof structure Grant 11,191,177 - Choi , et al. November 30, 2 | 2021-11-30 |
| Waterproof electronic device Grant 10,820,094 - Park , et al. October 27, 2 | 2020-10-27 |
| Electronic Device Including Waterproof Structure App 20190343013 - CHOI; Jong-Min ; et al. | 2019-11-07 |
| Electronic device including waterproof structure Grant 10,405,446 - Choi , et al. Sep | 2019-09-03 |
| Electronic Device Including Waterproof Structure App 20180249588 - CHOI; Jong-Min ; et al. | 2018-08-30 |
| Electronic device including waterproof structure Grant 9,992,893 - Choi , et al. June 5, 2 | 2018-06-05 |
| Electronic Device Including Waterproof Structure App 20180098446 - Choi; Jong-Min ; et al. | 2018-04-05 |
| Waterproof Electronic Device App 20180035204 - PARK; Sukchul ; et al. | 2018-02-01 |
| Electronic device including waterproof structure Grant 9,872,408 - Choi , et al. January 16, 2 | 2018-01-16 |
| Electronic Device Including Waterproof Structure App 20170099742 - CHOI; Jong-Min ; et al. | 2017-04-06 |
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