3519933

Information

• Patent Grant
• 3519933

• References
• Source

• Patent Number

  3,519,933

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1970
  54 years ago

• CPC

  • G01R11/40 - for polyphase operation

• US Classifications

  • 324 - Electricity: measuring and testing