Patents by Inventor K. E. Schirmer

K. E. Schirmer 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 enabling treatment of the eye by laser
    Patent number: 4907872
    Abstract: A contact lens is disclosed, especially for the treatment of the frontal eye sections with a laser, the surface on the eye side of which has a radius adapted to the radius of curvature of the cornea, this contact lens exhibiting a reflective surface for enlarging the field of vision.The contact lens has the following features:the reflective surface is a planar area and is arranged in the part of the contact lens wherein the axial distance between the surface on the eye side and the frontal surface is at a maximum,the surfaces on the eye side and on the frontal side form an aplanatic system,the two surfaces almost penetrate each other on the side opposite to the reflective surface.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: March 13, 1990
    Assignee: G. Rodenstock Instrumente GmbH
    Inventors: K. E. Schirmer, Werner Reis