3293570

Information

• Patent Grant
• 3293570

• References
• Source

• Patent Number

  3,293,570

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1966
  58 years ago

• CPC

  • H03B5/22 - active element in amplifier being vacuum tube

• US Classifications

  • 331 - Oscillators