Patents by Inventor Steven Martinuzzo

Steven Martinuzzo 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: 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
  • Patent number: D481826
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: November 4, 2003
    Assignee: MacDonald Johnston Engineering Co. Pty. Ltd.
    Inventors: Steven Martinuzzo, John Magree, Stewart Marshall, Simon Andresen
  • Patent number: D483152
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: December 2, 2003
    Assignee: MacDonald Johnston Engineering Co., Pty Ltd.
    Inventors: Steven Martinuzzo, John Magree, Stewart Marshall, Simon Andresen
  • Patent number: D955739
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 28, 2022
    Assignee: Virtue Concepts Pty Ltd
    Inventors: Peter Wayne Virtue, Steven Martinuzzo, Andrew Fanning, Nathan Scanlon, Craig Burton
  • Patent number: D1022442
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: April 16, 2024
    Assignee: Virtue Concepts Pty Ltd
    Inventors: Peter Wayne Virtue, Steven Martinuzzo, Andrew Fanning, Nathan Scanlon, Craig Burton