Patents by Inventor David E. Salman

David E. Salman 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).

  • Trapezoidal beam dock leveler
    Patent number: 5097557
    Abstract: A dock leveler having a rigid flat deck and a hinge pin coupling the leveler to a loading dock. The deck is supported by a series of spaced box beams forming a trapezoidal cross-section with the underside of the deck.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: March 24, 1992
    Assignee: The Serco Corporation
    Inventors: David E. Salman, James C. Alexander