3617603

Information

• Patent Grant
• 3617603

• References
• Source

• Patent Number

  3,617,603

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • G10H1/02 - Means for controlling the tone frequencies
  • Y10S84/05 - Chiff

• US Classifications

  • 084 - Music
  • 984 - Musical instruments