Patents by Inventor Simon John Walker

Simon John Walker 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).

  • Acrylic display case for graded cards
    Patent number: D1130136
    Type: Grant
    Filed: February 26, 2025
    Date of Patent: June 16, 2026
    Assignee: Phantom Display LLC
    Inventor: Simon John Walker