2377121

Information

• Patent Grant
• 2377121

• References
• Source

• Patent Number

  2,377,121

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1945
  79 years ago

• CPC

  • H03G9/06 - for gain control and tone control

• US Classifications

  • 381 - Electrical audio signal processing systems and devices