3495022

Information

• Patent Grant
• 3495022

• References
• Source

• Patent Number

  3,495,022

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  55 years ago

• CPC

  • G10H1/047 - by acousto-mechanical means

• US Classifications

  • 084 - Music
  • 181 - Acoustics