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RPX’s CEO released a statement on our response to the COVID-19 emergency. Click here to access.

System and method for managing a current flow in a lift machine

  • US 9,422,141 B2
  • Filed: 10/22/2010
  • Issued: 08/23/2016
  • Est. Priority Date: 10/22/2010
  • Status: Active Grant
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