Patents by Inventor David T. Houstoun

David T. Houstoun 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).

  • Decorative waterfall
    Patent number: 7922103
    Abstract: The present invention relates to a decorative waterfall apparatus and more particularly to a decorative waterfall having a decorative image on a backboard which can be rapidly changed by removing the removable mounted backboard and changing a polymer film having a decorative image thereon extending thereover.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: April 12, 2011
    Inventor: David T. Houstoun
  • Decorative waterfall
    Publication number: 20100187325
    Abstract: The present invention relates to a decorative waterfall apparatus and more particularly to a decorative waterfall having a decorative image on a backboard which can be rapidly changed by removing the removable mounted backboard and changing a polymer film having a decorative image thereon extending thereover.
    Type: Application
    Filed: January 28, 2009
    Publication date: July 29, 2010
    Inventor: David T. Houstoun