Patents by Inventor Antonio G. DiGiosia

Antonio G. DiGiosia 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).

  • Keyboard and key guide frame arrangement
    Patent number: 5286125
    Abstract: A keyboard assembly includes a top wall having reciprocatably mounted keys mounted thereon, wherein each of the keys have a concave surface and includes a continuous flexible framework grid in surrounding relationship relative to each of the keys to prevent double strike of keys in use of the keyboard arrangement. A modification of the invention is arranged to include arcuate bumper strips mounted to a top surface of the grid to further direct an individual's fingers into desired individual keys of the keyboard.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 15, 1994
    Inventor: Antonio G. DiGiosia