Trademark applications and grants for Li Zhengqiang. Li Zhengqiang has 16 trademark applications. The latest application filed is for "JAETOU"
Patent Application | Date |
---|---|
Anti-collision Device for LED Screen 20220117099 - 17/279579 Zhang; Xianfeng ;   et al. | 2022-04-14 |
ELECTRIC PEDAL CONTROL DEVICE FOR AIRCRAFT 20190382101 - 16/310058 XIE; Dianhuang ;   et al. | 2019-12-19 |
LIQUID CRYSTAL DISPLAY DEVICE 20190353963 - 16/108330 LI; Xuefeng ;   et al. | 2019-11-21 |
LIQUID CRYSTAL DISPLAY DEVICE 20190353962 - 16/108249 LI; Xuefeng ;   et al. | 2019-11-21 |
DIFLUOROMETHOXY-BRIDGE LIQUID CRYSTAL COMPOUND CONTAINING METHYL-SUBSTITUTED 2,3-DIFLUOROPHENYL AND CRYSTAL COMPOSITION 20190345388 - 16/239306 LI; Ming ;   et al. | 2019-11-14 |
Anti-collision device for LED screen 11,432,416 - 17/279,579 Zhang , et al. August 30, 2 | 2022-08-30 |
Electric pedal control device for aircraft 11,319,057 - 16/310,058 Xie , et al. May 3, 2 | 2022-05-03 |
Liquid crystal compound and liquid crystal composition 11,130,911 - 16/398,035 Yun , et al. September 28, 2 | 2021-09-28 |
Negative dielectric anisotropy liquid crystal composition 11,060,030 - 16/221,327 Shu , et al. July 13, 2 | 2021-07-13 |
Difluoromethoxy-bridge liquid crystal compound containing methyl-substituted 2,3-difluorophenyl and crystal composition 11,046,888 - 16/239,306 Li , et al. June 29, 2 | 2021-06-29 |
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