Patents by Inventor Annick Leducq

Annick Leducq 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 determining the diameter of a lens to fit an eyeglass frame
    Patent number: 4625418
    Abstract: Apparatus for determining the diameter of an unprocessed ophthalmic lens to fit a particular eyeglass frame comprises a base and a guide on the base adapted to receive a card carrying diagrams of available lenses. A support on the base is adapted to receive the eyeglass frame to be fitted with lenses. The card guide is fixed relative to the base and comprises an elongate slot adapted to allow the card to slide within it. The frame support is mobile relative to the card guide in the direction at right angles to the slot.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: December 2, 1986
    Assignee: Essilor International Cie Generale d'Optique
    Inventors: Christian Joncour, Annick Leducq