3906321

Information

• Patent Grant
• 3906321

• References
• Source

• Patent Number

  3,906,321

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • H02K13/14 - Circuit arrangements for improvement of commutation
  • H02K25/00 - Dc interrupter motors or generators

• US Classifications

  • 388 - Electricity: motor control systems
  • 318 - Electricity: motive power systems