3745225

Information

• Patent Grant
• 3745225

• References
• Source

• Patent Number

  3,745,225

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • G10H1/38 - Chord
  • G10H2210/175 - Fillnote

• US Classifications

  • 084 - Music
  • 984 - Musical instruments