1788219

Information

• Patent Grant
• 1788219

• References
• Source

• Patent Number

  1,788,219

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  94 years ago

• CPC

  • G01R23/07 - using response of circuits tuned on resonance

• US Classifications

  • 324 - Electricity: measuring and testing
  • 073 - Measuring and testing
  • 331 - Oscillators