3272907

Information

• Patent Grant
• 3272907

• References
• Source

• Patent Number

  3,272,907

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  59 years ago

• CPC

  • G10H3/09 - using tapes or wires

• US Classifications

  • 084 - Music
  • 984 - Musical instruments