Patents by Inventor Wallace Tagart

Wallace Tagart 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).

  • Patent number: 9856654
    Abstract: A collapsible stair with foldable ramp can include a first step, and a second step nestable within the first step such that when the collapsible stair is in a closed position the second step is aligned with the first step and when the collapsible stair is in an open position a lateral offset between the second step and the first step is increased. A third step can be nestable within the first step such that when the collapsible stair is in a closed position the third step is aligned with the second step and is in an open position a lateral offset between the third step and the second step is increased. A ramp can be rotatably coupled to the first step to rotate from a stair position to a ramp position, wherein the ramp position comprises the second step and the third step being covered by the ramp.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: January 2, 2018
    Inventors: Wallace Tagart, Yvonne Tagart