2680197

Information

• Patent Grant
• 2680197

• References
• Source

• Patent Number

  2,680,197

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1954
  70 years ago

• CPC

  • H03B5/34 - active element in amplifier being vacuum tube
  • H03B5/16 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators