Patents by Inventor Michael J. Minardi

Michael J. Minardi 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).

  • Tactile symbols for color recognition
    Patent number: 5286204
    Abstract: Tactile symbols for color recognition by blind or visually impaired persons comprising a surface above which a color symbol is raised substantially parallel to the first surface. The raised surface of the unitary symbol is continuous such that persons may identify the symbol by touch.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: February 15, 1994
    Assignee: Touch Books, Inc.
    Inventor: Michael J. Minardi