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Patent applications and USPTO patent grants for Yin; Ruojin.The latest application filed is for "built-in air pump and inflatable device".
Patent | Date |
---|---|
Built-in air pump and inflatable device Grant 11,401,926 - Huang , et al. August 2, 2 | 2022-08-02 |
Smart electric air pump Grant 11,384,769 - Huang , et al. July 12, 2 | 2022-07-12 |
Built-in Air Pump And Inflatable Device App 20210003126 - HUANG; Shuiyong ;   et al. | 2021-01-07 |
Smart Electric Air Pump App 20200256345 - HUANG; Shuiyong ;   et al. | 2020-08-13 |
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