Trademark applications and grants for Zhang Fengjiang. Zhang Fengjiang has 1 trademark applications. The latest application filed is for "GU LAN DUN"
Patent Application | Date |
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DC TO DC CONVERTERS AND CONTROLLERS THEREOF 20170229967 - 15/498236 LI; Gang ;   et al. | 2017-08-10 |
DC TO DC CONVERTERS AND CONTROLLERS THEREOF 20160013713 - 14/326196 LI; Gang ;   et al. | 2016-01-14 |
CONTROLLERS FOR DC TO DC CONVERTERS 20100327836 - 12/874438 LI; Gang ;   et al. | 2010-12-30 |
DC to DC converters and controllers thereof 10,075,074 - 15/498,236 Li , et al. September 11, 2 | 2018-09-11 |
DC to DC converters and controllers thereof 9,647,556 - 14/326,196 Li , et al. May 9, 2 | 2017-05-09 |
Controllers for DC to DC converters 9,059,632 - 12/874,438 Li , et al. June 16, 2 | 2015-06-16 |
Controllers for DC to DC converters 9,059,632 - 12/874,438 Li , et al. June 16, 2 | 2015-06-16 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "GU LAN DUN" 4062240 85134109 |
GU LAN DUN 2010-09-20 |
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