Patents Assigned to Sichuan Topfire Technology Co., Ltd
  • Patent number: D825417
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: August 14, 2018
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng
  • Patent number: D829144
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 25, 2018
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng
  • Patent number: D830919
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: October 16, 2018
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng
  • Patent number: D864824
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 29, 2019
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng
  • Patent number: D876997
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: March 3, 2020
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng
  • Patent number: D889932
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: July 14, 2020
    Assignee: Sichuan Topfire Technology Co., Ltd
    Inventor: Cheng Zeng