Patents Assigned to Raven Technology (Beijing) Co., Ltd.
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    Patent number: D888020
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: June 23, 2020
    Assignees: Raven Technology (Beijing) Co., Ltd., Baidu Online Network Technology (Beijing) Co., Ltd
    Inventors: Cheng Lyu, Xiyu Mao