1689934

Information

• Patent Grant
• 1689934

• References
• Source

• Patent Number

  1,689,934

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1928
  95 years ago

• CPC

  • H02K21/30 - having an annular armature core with salient poles

• US Classifications

  • 310 - Electrical generator or motor structure