Patents by Inventor Roman Tiedemann

Roman Tiedemann 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: 4957258
    Abstract: A stand for motionably mounting advertisements, such as placards or the like. The stand comprises a foot-structure (1) placed on the ground and a mount (4) for advertisements such as placards, signs or the like resting on the foot-structure (1) by means of a pendulum support having an approximately horizontal swing axis. A pendulum weight (8) is attached to the mount (4) or the advertisement below the swing axis of the pendulum support. Preferably the pendulum support is equipped with an adjustably pressed brake-disk or a return spring means (11). The return spring means advantageously delivers a return force and frictional damping only beyond a predetermined value a deviation.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: September 18, 1990
    Assignee: Esselte Pendaflex Gesellschaft m.b.H.
    Inventor: Roman Tiedemann