Patents by Inventor Jose Florentin

Jose Florentin 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).

  • Cathode for emission of electrons and electron tube with a cathode of this type
    Patent number: 5021708
    Abstract: This cathode has a body made of a material that does not emit electrons, having a substantially smooth non-emissive face and elements made of an emissive material each having an emissive face, spaced out from one another and fixed to the body, for example in hollows with their emissive surface in relief by a determined value with respect to said non-emissive face, so that a protection electrode can be placed between the projecting parts of these elements.
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: June 4, 1991
    Assignee: Thomson-Csf
    Inventors: Pierre Nugues, Henri Desmur, Jose Florentin