3030844

Information

• Patent Grant
• 3030844

• References
• Source

• Patent Number

  3,030,844

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  63 years ago

• CPC

  • G10B1/04 - electrically operated

• US Classifications

  • 084 - Music
  • 984 - Musical instruments