1915581

Information

• Patent Grant
• 1915581

• References
• Source

• Patent Number

  1,915,581

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1933
  91 years ago

• CPC

  • G01R11/42 - Circuitry therefor

• US Classifications

  • 324 - Electricity: measuring and testing