3777077

Information

• Patent Grant
• 3777077

• References
• Source

• Patent Number

  3,777,077

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • H04R25/04 - comprising pocket amplifiers

• US Classifications

  • 381 - Electrical audio signal processing systems and devices