2989886

Information

• Patent Grant
• 2989886

• References
• Source

• Patent Number

  2,989,886

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • G10H1/14 - during execution
  • Y10S84/05 - Chiff

• US Classifications

  • 084 - Music
  • 331 - Oscillators
  • 984 - Musical instruments