3789722

Information

• Patent Grant
• 3789722

• References
• Source

• Patent Number

  3,789,722

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  50 years ago

• CPC

  • G10C3/14 - for actuation by the feet

• US Classifications

  • 084 - Music
  • 984 - Musical instruments