Patents Examined by Lorraine E. Walker
  • Patent number: 6695558
    Abstract: Nails for use in construction have a length indication provided by numerical markings comprised of numerals formed by contouring on the nail head combined with a color coding as to nail length, by coloring recessed areas of the head to protect the coloring when the nail is being driven. The color coding and numeric length indication can be read either before or after the nail has been driven.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: February 24, 2004
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventor: Harutoshi Shibata