2144349

Information

• Patent Grant
• 2144349

• References
• Source

• Patent Number

  2,144,349

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1939
  86 years ago

• CPC

  • H03G1/0011 - the device being at least one of the amplifying tubes of the amplifier

• US Classifications

  • 330 - Amplifiers