3621105

Information

• Patent Grant
• 3621105

• References
• Source

• Patent Number

  3,621,105

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  52 years ago

• CPC

  • G10H3/20 - using a tuning fork, rod or tube
  • G10C3/16 - Actions

• US Classifications

  • 084 - Music
  • 984 - Musical instruments