Patents by Inventor Hoi Tung Leung

Hoi Tung Leung 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).

  • Patent number: D1020081
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 26, 2024
    Assignee: Philip Morris Products S.A.
    Inventor: Hoi Tung Leung
  • Patent number: D1032073
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: June 18, 2024
    Assignee: Philip Morris Products S.A.
    Inventor: Hoi Tung Leung