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Patent applications and USPTO patent grants for ZHONG; Liduo.The latest application filed is for "digital currency settlement system and settlement method and payment device".
Patent | Date |
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Digital Currency Settlement System And Settlement Method And Payment Device App 20220036358 - SHEN; Wei ;   et al. | 2022-02-03 |
Digital Currency Payment System, Payment Method And Payment Apparatus App 20210272107 - SHEN; Wei ;   et al. | 2021-09-02 |
Two-dimensional array code Grant 8,678,283 - Shen , et al. March 25, 2 | 2014-03-25 |
Two-dimensional Array Code App 20120031973 - Shen; Wei ;   et al. | 2012-02-09 |
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