Patents by Inventor Michael Paul Ritchey

Michael Paul Ritchey 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).

  • Business card display holder
    Patent number: D438906
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: March 13, 2001
    Inventor: Michael Paul Ritchey