Patents by Inventor Mathew P. Jahn

Mathew P. Jahn 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).

  • Trading card display system
    Patent number: D421051
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: February 22, 2000
    Inventor: Mathew P. Jahn