Choi; Yoon-Hwan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Yoon-Hwan.The latest application filed is for "centrifuge having water discharge structure and purifier system using the same".
- Choi; Yoon-Hwan - Busan KR
- Choi; Yoon-Hwan - Suwon-si KR
| Patent | Date |
|---|---|
| Centrifuge having water discharge structure and purifier system using the same Grant 9,919,321 - Kim , et al. March 20, 2 | 2018-03-20 |
| Centrifuge Having Water Discharge Structure And Purifier System Using The Same App 20150283560 - Kim; Yong-Keun ; et al. | 2015-10-08 |
| Process of preparing an alkylamine derivative Grant 8,779,192 - Choi , et al. July 15, 2 | 2014-07-15 |
| Method Of Preparing An Alkylamine Derivative App 20120046494 - Choi; Yoon-Hwan ; et al. | 2012-02-23 |
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