1395107

Information

• Patent Grant
• 1395107

• References
• Source

• Patent Number

  1,395,107

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1921
  102 years ago

• CPC

  • G10D9/046 - with continuous change of tonal pitch

• US Classifications

  • 084 - Music
  • 984 - Musical instruments