Patents by Inventor Ralph D. Alessio

Ralph D. Alessio 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).

  • Electroluminescent dial for an analog watch and process for making it
    Patent number: 4775964
    Abstract: An electroluminescent device adapted to serve as the dial of a conventional analog timepiece, with a central aperture for the stem carrying the timepiece hand and inscribed on the upper surface thereof with conventional time-indicating indicia, so that it can be read as a normal watch dial.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: October 4, 1988
    Assignee: Timex Corporation
    Inventors: Ralph D. Alessio, Fredrik Olsen