Patents by Inventor Ackley Sprague

Ackley Sprague 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 encoding data in logos
    Patent number: 6691922
    Abstract: A machine readable symbology suitable for inclusion into larger symbols or markings with a minimum of visibility. The symbology data set has a majority of one color enabling data to be embedded within symbols that are of the same color. The most used characters of the data set have the highest proportion of the selected masking color.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: February 17, 2004
    Assignee: Intermec IP Corp.
    Inventors: David Brooks, Ackley Sprague
  • Method and apparatus for encoding data in logos
    Publication number: 20020134846
    Abstract: A machine readable symbology suitable for inclusion into larger symbols or markings with a minimum of visibility. The symbology data set has a majority of one color enabling data to be embedded within symbols that are of the same color. The most used characters of the data set have the highest proportion of the selected masking color.
    Type: Application
    Filed: December 27, 2001
    Publication date: September 26, 2002
    Inventors: David Brooks, Ackley Sprague