Patents by Inventor Steven D. Mathison

Steven D. Mathison 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).

  • Paper towel roll core
    Patent number: D849442
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: May 28, 2019
    Inventor: Steven D. Mathison
  • Paper towel roll core
    Patent number: D854852
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: July 30, 2019
    Inventor: Steven D. Mathison