1332668

Information

• Patent Grant
• 1332668

• References
• Source

• Patent Number

  1,332,668

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1920
  104 years ago

• CPC

  • G10C3/14 - for actuation by the feet

• US Classifications

  • 084 - Music
  • 984 - Musical instruments