Patents by Inventor David Mark Hempton

David Mark Hempton 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).

  • Inflatable pool toy
    Patent number: D785119
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: April 25, 2017
    Inventor: David Mark Hempton