1798138

Information

• Patent Grant
• 1798138

• References
• Source

• Patent Number

  1,798,138

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1931
  93 years ago

• CPC

  • G01R11/30 - Dynamo-electric motor meters

• US Classifications

  • 324 - Electricity: measuring and testing
  • 116 - Signals and indicators