1788613

Information

• Patent Grant
• 1788613

• References
• Source

• Patent Number

  1,788,613

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1931
  93 years ago

• CPC

  • G10D7/04 - Ocarinas

• US Classifications

  • 084 - Music
  • 984 - Musical instruments