Patents by Inventor Leonard D. Collins

Leonard D. Collins 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).

  • Multi-storey building and a prefabricated panel for such a building
    Patent number: 4408434
    Abstract: A method of constructing a multi-storey building comprises the steps of laying a foundation ring beam for the external walls of the building, erecting a plurality of ground floor columns around the foundation ring beam, the ground floor columns being supported by the foundation ring beam and extending over substantially the height of the ground floor of the building, placing panels between the adjacent pairs of ground floor columns to form the external walls of the ground floor storey of the building, and constructing the higher storeys of the building successively one upon another.
    Type: Grant
    Filed: January 7, 1981
    Date of Patent: October 11, 1983
    Inventor: Leonard D. Collins