Patents by Inventor Fredericus R. J. Smeijers

Fredericus R. J. Smeijers 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: 5404432
    Abstract: Texts of small fonts are made easier to read by displaying or printing background pixels in the spaces between characters within words with an adjusted grey level or color, which is a mix product of the grey level or color of the characters and that of the background.
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: April 4, 1995
    Assignee: OCE-Nederland, B.V.
    Inventors: Stephan B. J. Koopman, Fredericus R. J. Smeijers