1313711

Information

• Patent Grant
• 1313711

• References
• Source

• Patent Number

  1,313,711

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1919
  104 years ago

• CPC

  • G10B3/16 - Swell chambers Accentuating means

• US Classifications

  • 084 - Music