3090917

Information

• Patent Grant
• 3090917

• References
• Source

• Patent Number

  3,090,917

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1963
  61 years ago

• CPC

  • H04B1/1623 - using tubes

• US Classifications

  • 340 - Communications: electrical
  • 331 - Oscillators
  • 455 - Telecommunications