3652776

Information

• Patent Grant
• 3652776

• References
• Source

• Patent Number

  3,652,776

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1972
  53 years ago

• CPC

  • G10H5/16 - using cathode ray tube
  • G10H1/02 - Means for controlling the tone frequencies

• US Classifications

  • 084 - Music
  • 984 - Musical instruments