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person:(A. Richards)

    Magnet sensing hole driller and method therefor

    Free access
    SPISHAK NOEL A / RICHARDS CHARLES M / HANSEN JEFF et al. | European Patent Office | 2017

      Magnet sensing hole driller and method therefor

      Free access
      SPISHAK NOEL A / RICHARDS CHARLES M / HANSEN JEFF et al. | European Patent Office | 2016

    Magnet sensing portable autonomous device and method of operation

    Free access
    SPISHAK NOEL A / RICHARDS CHARLES M / HANSEN JEFFREY M et al. | European Patent Office | 2018

      MAGNET SENSING PORTABLE AUTONOMOUS DEVICE AND METHOD OF OPERATION

      Free access
      SPISHAK NOEL A / RICHARDS CHARLES M / HANSEN JEFFREY et al. | European Patent Office | 2018