Patents by Inventor Francois J. Mantha

Francois J. Mantha 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: 4022428
    Abstract: A lift device having a vertical column securable on a support surface. A support frame is movably secured along at least a portion of the column. A driveable drum is secured in an upper part of the column and a drive assembly, including a drive motor, is coupled to the drum. At least one cable is secured to the drum and the support frame and is of sufficient strength to displace the support frame and a load thereon along the column. In a preferred embodiment, there are two columns spaced apart, whereby a vehicle can be lifted from each side thereof.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: May 10, 1977
    Inventor: Francois J. Mantha