Patents by Inventor Jean-Fran.cedilla.ois Magne

Jean-Fran.cedilla.ois Magne 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).

  • Optical lens mold and method of making the mold
    Patent number: 5611969
    Abstract: In this method of making a mold for molding an optical lens an annular closure sleeve is fitted around two molding shells and cooperates with them to define the required molding cavity. The closure sleeve is made from a heat shrinkable synthetic material and is heated to shrink it onto the molding shells. Applications of the method include molds for molding ophthalmic lenses.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: March 18, 1997
    Assignee: Essilor International, Compagnie Generale d'Optique
    Inventors: Jean-Paul Cano, Jean-Fran.cedilla.ois Magne, Georges Wajs