1413817

Information

• Patent Grant
• 1413817

• References
• Source

• Patent Number

  1,413,817

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1922
  102 years ago

• CPC

  • G01R11/30 - Dynamo-electric motor meters

• US Classifications

  • 324 - Electricity: measuring and testing