Patents by Inventor Howard K. Shellenberger

Howard K. Shellenberger 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).

  • Case for storing saddle blankets
    Patent number: D399653
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: October 20, 1998
    Inventors: Howard K. Shellenberger, Linda J. Shellenberger