3476864

Information

• Patent Grant
• 3476864

• References
• Source

• Patent Number

  3,476,864

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1969
  55 years ago

• CPC

  • G10H1/30 - to reiteratively sound two tones
  • Y10S84/02 - Preference networks

• US Classifications

  • 084 - Music
  • 984 - Musical instruments