3619469

Information

• Patent Grant
• 3619469

• References
• Source

• Patent Number

  3,619,469

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • G10H1/0555 - using magnetic or electromagnetic means
  • Y10S84/25 - Pedal clavier

• US Classifications

  • 084 - Music
  • 984 - Musical instruments