Patents by Inventor Bognard Duret

Bognard Duret 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).

  • Apparatus for photoactivation of photosensitive composite materials utilized particularly in the dental field
    Patent number: 6692250
    Abstract: Apparatus for allowing the photoactivation of photosensitive composites used especially in the dental field: A case containing a power supply unit electrically controlled by a central electronic processing unit. A light source connected to the supply unit and which is formed by a plurality of light-emitting diodes. The diodes are associated with a concentrating device making it possible to concentrate in an optimal manner, at a given point, the light emanating from all the emissive areas of the diodes. The concentrating device includes a respective optical fiber associated with each light emitting diode.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: February 17, 2004
    Inventors: Jean-Michel Decaudin, Michel Lequime, Elisabeth Duret, Bognard Duret