1237944

Information

• Patent Grant
• 1237944

• References
• Source

• Patent Number

  1,237,944

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1917
  107 years ago

• CPC

  • H02K17/22 - having rotor with windings connected to slip-rings

• US Classifications

  • 318 - Electricity: motive power systems