Patents Assigned to Columbia Marking Tools
  • Apparatus and method for controlling a programmable marking scribe
    Patent number: 7191529
    Abstract: A programmable marking scribe having a material displacement stylus movable in three mutually orthogonal axes to displace material from an object being marked and create a two-dimensional matrix of recessed areas formed of grooves and surrounded by ridges, the grooves and ridges forming a reflectively multifaceted data cell having a collective reflectance that is in contrast with unmarked surface reflectance to enable a reader to clearly distinguish the former from the latter even in the presence of extraneous interfering marks and deposits.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: March 20, 2007
    Assignee: Columbia Marking Tools
    Inventors: Thomas J. Phipps, Andrew J. Habedank
  • Apparatus and method for controlling a programmable marking scribe
    Publication number: 20060179670
    Abstract: A programmable marking scribe having a stylus movable in three mutually orthogonal axes to displace material from an object being marked and create a two-dimensional matrix of recessed areas formed of grooves and surrounded by ridges, the grooves and ridges forming a reflectively multifaceted data cell having a collective reflectance that is in contrast with unmarked surface reflectance to enable a reader to clearly distinguish the former from the latter even in the presence of extraneous interfering marks and deposits.
    Type: Application
    Filed: February 15, 2005
    Publication date: August 17, 2006
    Applicant: COLUMBIA MARKING TOOLS
    Inventors: Thomas Phipps, Andrew Habedank