3402252

Information

• Patent Grant
• 3402252

• References
• Source

• Patent Number

  3,402,252

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1968
  56 years ago

• CPC

  • G10H1/045 - by electromechanical means

• US Classifications

  • 084 - Music
  • 336 - Inductor devices
  • 984 - Musical instruments