765209

Information

• Patent Grant
• 765209

• References
• Source

• Patent Number

  765,209

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1904
  120 years ago

• CPC

  • H02P7/29 - using pulse modulation
  • Y10S388/905 - Armature and field windings connected in series

• US Classifications

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