1895761

Information

• Patent Grant
• 1895761

• References
• Source

• Patent Number

  1,895,761

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1933
  91 years ago

• CPC

  • G10D9/046 - with continuous change of tonal pitch

• US Classifications

  • 084 - Music
  • 984 - Musical instruments