Patents by Inventor Aatto Hongisto

Aatto Hongisto 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).

  • Method and apparatus for manufacturing of a luminous indicator board with optical fiber
    Patent number: 5899788
    Abstract: A method of making a display board illuminated by optical fibers, in which method a display board illustrating different figures are produced by arranging the illuminating ends of the optical fibers into wanted spots onto the surface of the display board. Board perforation and feeding the optical fibers into holes as well as cutting off the optical fibers are carried out in successive steps using the same coordinate controlled punching and feeding device.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: May 4, 1999
    Inventor: Aatto Hongisto