Patents by Inventor Massimo Treu

Massimo Treu 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: 6170184
    Abstract: An indicator device includes a support member formed by two coupled flat panels made of metal or synthetic material, a plurality of holes formed in the exposed panel according to the pattern of Braille writing according to the characters to be represented; the holes are engaged by pins made of synthetic material which is resistant to abrasion and to rubbing-induced wear, so that their dome-shaped rounded ends protrude from the exposed panel.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: January 9, 2001
    Inventor: Massimo Treu