Patents by Inventor Defei Gao

Defei Gao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D1025276
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: April 30, 2024
    Assignee: LIAONING QINGYANG EXPLOSIVE MATERIALS CO., LTD
    Inventors: Tao Jiang, Dingming Lin, Jin Zhu, Defei Gao, Guangjun Li, Lidan Jing, Xingzhen Wang, Xiongfei Yang, Ji Fan, Guopeng Ban, Qi Sun