Patents by Inventor Rene J. de la Tour

Rene J. de la Tour 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: 6719094
    Abstract: A ladder for people with limited mobility comprising a first frame member defining a first sidewall; a second frame member defining a second sidewall; a plurality of steps spanning between the first and second sidewalls, from a first level above the surface to the upper level substantially to the height of a wheelchair seat; handles positioned above each of the steps, so that a person is able to place one's hands on the handles and lift oneself up the first step, and grasp the next highest handles and lift to the next highest step until the person is able to move from the highest step onto the wheelchair seat.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: April 13, 2004
    Inventor: Rene J. de la Tour
  • Publication number: 20030196856
    Abstract: A ladder for people with limited mobility comprising a first frame member defining a first sidewall; a second frame member defining a second sidewall; a plurality of steps spanning between the first and second sidewalls, from a first level above the surface to the upper level substantially to the height of a wheelchair seat; handles positioned above each of the steps, so that a person is able to place one's hands on the handles and lift oneself up the first step, and grasp the next highest handles and lift to the next highest step until the person is able to move from the highest step onto the wheelchair seat. There is further provided a means for allowing each of the steps to fold upwardly along their midpoint to move the apparatus into a folded storage position when not in use.
    Type: Application
    Filed: May 28, 2003
    Publication date: October 23, 2003
    Inventor: Rene J. de la Tour
  • Patent number: 6571915
    Abstract: A ladder for people with limited mobility comprising a first frame member defining a first sidewall; a second frame member defining a second sidewall; a plurality of steps spanning between the first and second sidewalls, from a first level above the surface to the upper level substantially to the height of a wheelchair seat; handles positioned above each of the steps, so that a person is able to place one's hands on the handles and lift oneself up the first step, and grasp the next highest handles and lift to the next highest step until the person is able to move from the highest step onto the wheelchair seat. There is further provided a mechanism for allowing each of the steps to fold upwardly along their midpoint to move the apparatus into a folded storage position when not in use.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: June 3, 2003
    Inventor: Rene J. de la Tour