Patents by Inventor Andrew Lamont Renton

Andrew Lamont Renton 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).

  • Lifting apparatus
    Patent number: 6694545
    Abstract: The invention provides a lifting apparatus with variable and independently selectable height and reach which comprises a base supporting a lifting structure. The lifting structure comprising two upwardly extending variably extendible support structures, an arm having a proximal end portion and an intermediate portion, which are pivotally connected to an upper end portion of respective ones of said variably extendible support structures; and a load support structure depending from a distal end portion of the arm.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: February 24, 2004
    Inventor: Andrew Lamont Renton