CHOI; Wongyu
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHOI; Wongyu.The latest application filed is for "low-temperature-fired lead-free glass frit, paste, and vacuum glass assembly using same".
- CHOI; Wongyu - Seoul KR
| Patent | Date |
|---|---|
| Low-temperature-fired Lead-free Glass Frit, Paste, And Vacuum Glass Assembly Using Same App 20220098088 - CHOI; Wongyu ; et al. | 2022-03-31 |
| Low Temperature-calcined Lead-free Glass Frit And Paste, And Vacuum Glass Assembly Using Same App 20220002188 - CHOI; Wongyu ; et al. | 2022-01-06 |
| Glass composition, preparation method of glass composition, and cooking appliance Grant 10,899,656 - Choi , et al. January 26, 2 | 2021-01-26 |
| Coating composition and cooking appliance Grant 10,647,609 - Choi , et al. | 2020-05-12 |
| Coating Composition And Cooking Appliance App 20190169065 - CHOI; Wongyu ; et al. | 2019-06-06 |
| Glass Composition, Preparation Method Of Glass Composition, And Cooking Appliance App 20180215654 - Choi; Wongyu ; et al. | 2018-08-02 |
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