Patents by Inventor Billy Joel Hatfield

Billy Joel Hatfield 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).

  • Earplug accessory
    Patent number: D709608
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 22, 2014
    Assignee: Naptime, LLC
    Inventors: Billy Joel Hatfield, Johnny Everett Hatfield
  • Earplug accessory
    Patent number: D709609
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 22, 2014
    Assignee: Naptime, LLC
    Inventors: Billy Joel Hatfield, Johnny Everett Hatfield