Patents by Inventor Robert E. Holston

Robert E. Holston 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).

  • Crane assembly
    Patent number: 4378933
    Abstract: The device features the elimination of bending moments in all members to ow a design of minimal weight, and depends on the use of an existing structure to provide stabilizing reactions when erected. A rigid mast is pivoted at its lower end on the existing structure, and supports a block and tackle at its upper end. A rigid triangular spreader and cable assemblies support the mast.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: April 5, 1983
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Robert E. Holston