2839685

Information

• Patent Grant
• 2839685

• References
• Source

• Patent Number

  2,839,685

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • H03B5/16 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators