Patents by Inventor Christian Riguidel

Christian Riguidel 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: 5889267
    Abstract: An electronic card having an electronic control circuit, an elector-optical element configured as a normal operation indicator, and a power supply source. Electrical tracks connect the electronic control circuit with the electro-optical element and the power supply source, and affixing elements attach the electronic card to a substantially planer surface. The electrical tracks having embrittlement grooves which destroy the connections made by the electrical tracks upon removal of the electronic card from the substantially planer surface to which the electronic card is attached. The electronic card is suited for applications in the identification and automatic detection of objects and in particular, stolen vehicles.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: March 30, 1999
    Assignee: Thomson-CSF
    Inventors: Philippe Robin, Jean-Claude Dubois, Hugues Facoetti, Christian Riguidel, Jean-Pierre Paschal