2919619

Information

• Patent Grant
• 2919619

• References
• Source

• Patent Number

  2,919,619

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1960
  65 years ago

• CPC

  • G10C3/30 - Couplers

• US Classifications

  • 084 - Music
  • D17 - Musical instruments