724555

Information

• Patent Grant
• 724555

• References
• Source

• Patent Number

  724,555

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1903
  121 years ago

• CPC

  • G10H1/34 - Switch arrangements
  • G10B3/14 - Pedals or pedal boards

• US Classifications

  • 084 - Music