3644817

Information

• Patent Grant
• 3644817

• References
• Source

• Patent Number

  3,644,817

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • H02P8/165 - using two level supply voltage

• US Classifications

  • 318 - Electricity: motive power systems