3024689

Information

• Patent Grant
• 3024689

• References
• Source

• Patent Number

  3,024,689

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1962
  62 years ago

• CPC

  • G10B3/06 - Valves Sleeves

• US Classifications

  • 084 - Music
  • 984 - Musical instruments