3224315

Information

• Patent Grant
• 3224315

• References
• Source

• Patent Number

  3,224,315

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1965
  58 years ago

• CPC

  • G10D9/06 - Mutes
  • G10D7/023 - Recorders

• US Classifications

  • 084 - Music
  • 984 - Musical instruments