3487341

Information

• Patent Grant
• 3487341

• References
• Source

• Patent Number

  3,487,341

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • H03G9/06 - for gain control and tone control

• US Classifications

  • 333 - Wave transmission lines and networks
  • 381 - Electrical audio signal processing systems and devices