2491984

Information

• Patent Grant
• 2491984

• References
• Source

• Patent Number

  2,491,984

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  75 years ago

• CPC

  • H02K23/02 - characterised by the exciting arrangement
  • G05B11/015 - using rotating amplifiers

• US Classifications

  • 322 - Electricity: single generator systems