3326073

Information

• Patent Grant
• 3326073

• References
• Source

• Patent Number

  3,326,073

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1967
  57 years ago

• CPC

  • G10D7/023 - Recorders
  • G10D9/005 - Tuning devices

• US Classifications

  • 084 - Music
  • 984 - Musical instruments
  • D17 - Musical instruments