3020492

Information

• Patent Grant
• 3020492

• References
• Source

• Patent Number

  3,020,492

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1962
  63 years ago

• CPC

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

• US Classifications

  • 331 - Oscillators
  • 363 - Electric power conversion systems