3617883

Information

• Patent Grant
• 3617883

• References
• Source

• Patent Number

  3,617,883

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • H03J7/32 - with simultaneous display of received frequencies

• US Classifications

  • 324 - Electricity: measuring and testing
  • 315 - Electric lamp and discharge devices: systems