2544033

Information

• Patent Grant
• 2544033

• References
• Source

• Patent Number

  2,544,033

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1951
  73 years ago

• CPC

  • G10D9/046 - with continuous change of tonal pitch
  • G10D7/026 - Flutes; Piccolos; Fifes

• US Classifications

  • 084 - Music
  • 984 - Musical instruments