3215766

Information

• Patent Grant
• 3215766

• References
• Source

• Patent Number

  3,215,766

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1965
  59 years ago

• CPC

  • G10D13/085 - keyboard operated
  • Y10S84/21 - Mechanical resonator

• US Classifications

  • 084 - Music