3612972

Information

• Patent Grant
• 3612972

• References
• Source

• Patent Number

  3,612,972

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • G05D3/1418 - with ac amplifier chain
  • H02P23/24 - Controlling the direction

• US Classifications

  • 318 - Electricity: motive power systems