1225666

Information

• Patent Grant
• 1225666

• References
• Source

• Patent Number

  1,225,666

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1917
  109 years ago

• CPC

  • G10B3/16 - Swell chambers Accentuating means

• US Classifications

  • 084 - Music