Patents by Inventor Cornelis S. A. De Nood

Cornelis S. A. De Nood 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).

  • Anti-theft tag with conical coil
    Patent number: 4940968
    Abstract: An anti-theft tag includes two dishes (3, 4) fixed to each other. One dish (4) is provided with a feed-through hole (15) for inserting a pin (10) with a head (29). The dishes define an internal space for accomodating a releasable lock for locking the inserted pin and a circuit composed of a coil (22) and a capacitor (23). Said coil is conical and its base runs substantially parallel to the faces of the dishes.
    Type: Grant
    Filed: February 14, 1989
    Date of Patent: July 10, 1990
    Assignee: ID Systems International B.V.
    Inventor: Cornelis S. A. De Nood