Patents by Inventor Gregory Scott Butler

Gregory Scott Butler 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).

  • Hydroponic flood table
    Patent number: D750996
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: March 8, 2016
    Assignee: GrowTech, LLC
    Inventors: Gregory Scott Butler, William Martin Willemsen
  • Hydroponic flood table
    Patent number: D776565
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: January 17, 2017
    Assignee: GrowTech, LLC
    Inventors: Gregory Scott Butler, William Martin Willemsen