Patents by Inventor Helen Anne Holman

Helen Anne Holman 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).

  • Organic matter digester
    Patent number: D1013995
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: February 6, 2024
    Assignee: Reln Pty Ltd
    Inventors: Luke Nigel Nattrass, Helen Anne Holman, Owen Edward Luke