Patents by Inventor Fran.cedilla.ois Gretillat

Fran.cedilla.ois Gretillat 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).

  • Luminoscopic analytic device and method
    Patent number: 5545567
    Abstract: An analytic device (1) for reflective luminoscopy comprises within an enclosure (11): a light source (12); a pair of spaced light detectors (141, 142); and a refractor body (16); the refractor body comprises a planar base (161), an entry plane (163) near the light source for light emanating therefrom, and an exit plane (165) near the spaced detectors for light that is being sensed by at least one of the detectors; the entry plane and the exit plane enclose an angle of less then 180.degree. and not less than 90.degree.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: August 13, 1996
    Assignee: Orbisphere Laboratories Neuchatel S.A.
    Inventors: Fran.cedilla.ois Gretillat, Jean-Paul Pellaux, John M. Hale, Eugen Weber