Patents by Inventor Tena MacDonald

Tena MacDonald 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).

  • Folding attic stairway transport system
    Patent number: 10294077
    Abstract: A device and system for transporting items up and down a folding attic stairway in a building, such as a residential structure, and into an attic space finally resting securely on the floor of the attic.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 21, 2019
    Inventors: Tena MacDonald, John MacDonald
  • Folding Attic Stairway Transport System
    Publication number: 20160159613
    Abstract: A device and system for transporting items up and down a folding attic stairway in a building, such as a residential structure, and into an attic space finally resting securely on the floor of the attic.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Inventors: Tena MacDonald, John MacDonald