2309558

Information

• Patent Grant
• 2309558

• References
• Source

• Patent Number

  2,309,558

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1943
  82 years ago

• CPC

  • H02J7/18 - due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step

• US Classifications

  • 322 - Electricity: single generator systems