Trademark applications and grants for Yu Guizhen. Yu Guizhen has 1 trademark applications. The latest application filed is for "ZQPBLED"
Patent Application | Date |
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MULTI-MODE COMMUNICATION METHOD FOR AUTONOMOUS TRANSPORT SYSTEM OF MINING VEHICLE AND APPARATUS THEREOF 20200391766 - 16/895473 WANG; Yunpeng ;   et al. | 2020-12-17 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "ZQPBLED" 90628119 |
ZQPBLED 2021-04-07 |
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