Patents Assigned to Guangzhou Lanshidun Electronic Limited Company
  • Earphone
    Patent number: D829193
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: September 25, 2018
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D830336
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: October 9, 2018
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D852171
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: June 25, 2019
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D853995
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: July 16, 2019
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D865722
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: November 5, 2019
    Assignee: GUANGZHOU LANSHIDUN ELECTRONIC LIMITED COMPANY
    Inventor: Hejin Cai
  • Earphone
    Patent number: D870710
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: December 24, 2019
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D872064
    Type: Grant
    Filed: August 15, 2018
    Date of Patent: January 7, 2020
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D872065
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: January 7, 2020
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D876398
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: February 25, 2020
    Assignee: Guangzhou Lanshidun Electronic Limited Company
    Inventor: Hejin Cai
  • Earphone
    Patent number: D892769
    Type: Grant
    Filed: August 15, 2018
    Date of Patent: August 11, 2020
    Assignee: GUANGZHOU LANSHIDUN ELECTRONIC LIMITED COMPANY
    Inventor: Hejin Cai
  • Earphone
    Patent number: D920959
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 1, 2021
    Assignee: GUANGZHOU LANSHIDUN ELECTRONIC LIMITED COMPANY
    Inventor: Hejin Cai
  • Earphone
    Patent number: D929373
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: August 31, 2021
    Assignee: GUANGZHOU LANSHIDUN ELECTRONIC LIMITED COMPANY
    Inventor: Hejin Cai