1353667

Information

• Patent Grant
• 1353667

• References
• Source

• Patent Number

  1,353,667

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1920
  103 years ago

• CPC

  • G10B3/16 - Swell chambers Accentuating means

• US Classifications

  • 084 - Music
  • 984 - Musical instruments