Patents by Inventor Leo H. Narodny

Leo H. Narodny 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 using optical switching
    Patent number: 4013342
    Abstract: The invention relates to keyboard devices using optical switching and includes novel light distribution means to multiple fiber optics, switching means between fiber optics, and collection means from multiple fiber optics to a single point.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: March 22, 1977
    Inventor: Leo H. Narodny