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

Electric vehicle propulsion system employing AC induction motor control

  • US 5,831,409 A
  • Filed: 02/28/1997
  • Issued: 11/03/1998
  • Est. Priority Date: 06/10/1994
  • Status: Expired due to Term
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