Patents by Inventor Douglas E. Guterman

Douglas E. Guterman 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: 5123618
    Abstract: A cable tray comprising an extended spine having spaced, parallel arranged rungs extending therefrom for carrying cables. Hangers are employed to suspend the spine from a ceiling. The spine comprises an extended hollow member and a hollow base integral with each other. Each rung passes through the base and is detachably connected to the base at the opposite side. Each rung extends from the base for supporting the cables. Rungs extend from both sides of the base and are staggered so that they can readily be removed and/or replaced. There is also described a double spine arrangement for a larger number of cables and a wall mounted configuration utilizing a bracket to support the spine and base.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: June 23, 1992
    Inventors: Douglas E. Guterman, Gustav H. Lengenfelder