3407699

Information

• Patent Grant
• 3407699

• References
• Source

• Patent Number

  3,407,699

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  56 years ago

• CPC

  • G10B3/10 - Actions

• US Classifications

  • 084 - Music
  • 984 - Musical instruments