Patents by Inventor Margaret N. Stewart

Margaret N. Stewart 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).

  • Container
    Patent number: D918033
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 4, 2021
    Assignee: Kraft Foods Group Brands LLC
    Inventors: Margaret N. Stewart, Maxine J. Roman, Michael D. Putnam
  • Container
    Patent number: D991784
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: July 11, 2023
    Assignee: Kraft Foods Group Brands LLC
    Inventors: Margaret N. Stewart, Maxine J. Roman, Michael D. Putnam
  • Container
    Patent number: D1010439
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: January 9, 2024
    Assignee: Kraft Foods Group Brands LLC
    Inventors: Margaret N. Stewart, Maxine J. Roman, Michael D. Putnam