3585896

Information

• Patent Grant
• 3585896

• References
• Source

• Patent Number

  3,585,896

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1971
  53 years ago

• CPC

  • G10D7/023 - Recorders

• US Classifications

  • 084 - Music
  • 984 - Musical instruments