2802909

Information

• Patent Grant
• 2802909

• References
• Source

• Patent Number

  2,802,909

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • H03F1/16 - in discharge tube amplifiers

• US Classifications

  • 455 - Telecommunications
  • 330 - Amplifiers