Electrically controlled automated devices to operate, slow, guide, stop and secure, equipment and machinery for the purpose of controlling their unsafe, unattended, unauthorized, unlawful hazardous and/or legal use, with remote control and accountability worldwide

  • US 20040049324A1
  • Filed: 09/05/2003
  • Est. Priority Date: 06/18/1998
  • Status: Active Grant
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