Patents by Inventor Jean-Michel Daubignard

Jean-Michel Daubignard 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).

  • Eyeglass frames openable at the bridge
    Patent number: 4345824
    Abstract: An eyeglass frame in which the rims are openable at their inner (nose) sides. A slot is defined between a pair of pins extending between the rims. A latching member is pivotally mounted on one of the pin and hooks onto the other pin in its closed position for closing the rims and clamping the associated lens therein. An overlay member may be provided on the visible side of the latching member.
    Type: Grant
    Filed: June 24, 1980
    Date of Patent: August 24, 1982
    Assignee: Essilor International "Cie Generale d'Optique"
    Inventor: Jean-Michel Daubignard
  • Spectacle frames
    Patent number: D321356
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: November 5, 1991
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Jean-Michel Daubignard, Pascal Pauly, Philippe Pora