Patents by Inventor Joseph Hatchiguian

Joseph Hatchiguian 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: 6315411
    Abstract: Composite glass (2) for protecting the eyesight comprising, starting from the inside, from the eye side (1), towards the outside a first optically polished mineral glass (3), a polarizing film (4) having two sides, a second optically polished mineral glass (5), the polarizing film being glued with its first side onto the first glass and with its second side onto the second glass, characterized in that the first glass being approximately 1 mm thick is a high-pass filter, the cut-off wavelength of which is approximately 480 nm and having a yellow base, the polarizing film is oriented so as to attenuate the light rays reflected by the ground and sent back upwards, the second glass is colorless, and in that the first glass comprises at the surface, on the eye side, a light absorbing surface deposit (7) making a film. A stepped down median specular strip (9) may be deposited on the outer surface of the composite glass.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: November 13, 2001
    Assignee: Sporoptic Pouilloux
    Inventor: Joseph Hatchiguian
  • Patent number: D330718
    Type: Grant
    Filed: July 3, 1991
    Date of Patent: November 3, 1992
    Assignee: Sporoptic Pouilloux S.A.
    Inventor: Joseph Hatchiguian
  • Patent number: D336483
    Type: Grant
    Filed: March 13, 1991
    Date of Patent: June 15, 1993
    Assignee: Sporoptic Pouilloux S.A.
    Inventor: Joseph Hatchiguian
  • Patent number: D400351
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 3, 1998
    Assignee: Sporoptic Pouilloux S.A.
    Inventor: Joseph Hatchiguian