Patents by Inventor Rolf Eisenburg

Rolf Eisenburg 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).

  • Trackway for a trackborne toy
    Patent number: 4171090
    Abstract: A trackway for a trackborne toy and variable in relationship to its course comprises two resiliently flexible carriers or track members stringently guided in bearings in a spaced juxtaposition. The bearings are supported on vertical supports height-adjustable as well as vertically and horizontally pivotable.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: October 16, 1979
    Inventor: Rolf Eisenburg