Patents by Inventor Henry Sampiano D'Sanson

Henry Sampiano D'Sanson 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).

  • 3 in 1 ladder, dolly, and seating systems
    Patent number: 9409587
    Abstract: The 3 in 1 ladder, dolly, and seating system is a portable, device that can function as a set of stairs, a ladder, a seating area, and a cargo dolly. It is a four wheeled dolly, or a two-handle hand truck with two wheels in front, and can extend to become a ladder or various types of stairs, including steps for sitting. It is constructed from durable aluminum, or another appropriate material. The device can convert into a set of stairs with removable guardrails, or a smaller set of stairs that can be used as seating with foldable backrests. It can be manufactured with an umbrella holder and an optional canopy tent.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: August 9, 2016
    Inventor: Henry Sampiano D'Sanson