Patents by Inventor Paul Binh

Paul Binh 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).

  • Patent number: 4958922
    Abstract: A universal vision corrector particularly applicable to myopia, hypermetropia,astigmatism and presbyopia comprises, in front of the eye, an opaque zone (2) surrounding a small central area (3) situated in the vision axis, said small central transparent area (3) forming diaphragm and creating a reduced retinal giving a net vision. The opaque zone (2) is continuous, has a minimum average diameter of 3 mm and a maximum average diameter of 8 mm to preserve the peripheral vision and the central transparent area (3) has the surface comprised between 0.2 and 3.5 mm.sup.2, and preferably between 0.5 and 1 mm.sup.2.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: September 25, 1990
    Inventors: Paul Binh, Paul Blanie