Patents by Inventor Didier Riquin

Didier Riquin 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).

  • Contact lens for the observation and treatment of a point in the eye
    Patent number: 4502764
    Abstract: The contact lens (1) for observation and treatment by a coherent radiation beam of a working point T of the eye comprises, for example, an entry lens (4) coupled to a contact lens (5) designed to be applied to the cornea of the eye, the optic axes (6) of said lenses being merged. The entry surface of the lens is spherical and is associated with Weierstrass points A and A' and the image of point A' by the rest of the contact lens is merged with said working point T.
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: March 5, 1985
    Assignee: Lasag AG
    Inventor: Didier Riquin