1554977

Information

• Patent Grant
• 1554977

• References
• Source

• Patent Number

  1,554,977

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1925
  99 years ago

• CPC

  • G10C3/24 - for reciprocating of tremolo

• US Classifications

  • 084 - Music
  • 984 - Musical instruments