1615731

Information

• Patent Grant
• 1615731

• References
• Source

• Patent Number

  1,615,731

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1927
  98 years ago

• CPC

  • G01R11/42 - Circuitry therefor

• US Classifications

  • 324 - Electricity: measuring and testing