3463886

Information

• Patent Grant
• 3463886

• References
• Source

• Patent Number

  3,463,886

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1969
  56 years ago

• CPC

  • H04H20/83 - not sharing the network with any other service

• US Classifications

  • 381 - Electrical audio signal processing systems and devices