Patents by Inventor Felix Tsoi

Felix Tsoi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sleeve
    Patent number: D941023
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: January 18, 2022
    Assignee: Doria International Inc
    Inventors: Edmund Lee, Allen Liu, Felix Tsoi
  • Case
    Patent number: D956765
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: July 5, 2022
    Assignee: Doria International Inc
    Inventors: Edmund Lee, Allen Liu, Felix Tsoi
  • Case
    Patent number: D959141
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: August 2, 2022
    Assignee: Doria International Inc
    Inventors: Edmund Lee, Allen Liu, Felix Tsoi
  • Sleeve
    Patent number: D960562
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: August 16, 2022
    Assignee: Doria International Inc
    Inventors: Edmund Lee, Allen Liu, Felix Tsoi
  • Case for an electronic communications device or the like
    Patent number: D997147
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: August 29, 2023
    Assignee: DORIA INTERNATIONAL INC
    Inventors: Edmund Lee, Felix Tsoi