Patents by Inventor Peter Samuel

Peter Samuel 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).

  • Diffraction viewing device to aid in authenticating an optical surface
    Patent number: 5751412
    Abstract: A viewing device to aid in authenticating an optical surface. The device includes a laser diode which produces a beam of light. The device includes a viewing screen which receives a diffracted image produced by the beam illuminating the surface. The device further includes a lens system which causes the diffracted beam to be focused on the viewing screen.
    Type: Grant
    Filed: August 17, 1995
    Date of Patent: May 12, 1998
    Assignee: Mikoh Technology Limited
    Inventors: Graham Duell, Graeme Bullock, Daphne Flynn, Steven Martinuzzo, Belinda Stening, Peter Samuel Atherton