Patents by Inventor Hans J. Tolboll

Hans J. Tolboll 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).

  • Collapsible light-weight framework for exhibition use
    Patent number: 5123550
    Abstract: In a collapsible lightweight framework for display use and of the type composed of square modules disposed in side-by-side and/or superposed relationship and consisting of articulated rods, whose ends are pivotally connected with corner joints (5 to 12) provided with a substantially plane front plate (15) with parallel edge portions (28, 29) for engagement with longitudinal parallel guideways (35, 36) in a releasable rail member (14).The rail member (14) allowing for the suspension of shelves, trays and the like, may thus be designed with an improved stiffening effect and simultaneously for easily releasable securing to the corner joints.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: June 23, 1992
    Inventors: Preben Nodskov, Hans J. Tolboll