2574577

Information

• Patent Grant
• 2574577

• References
• Source

• Patent Number

  2,574,577

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1951
  73 years ago

• CPC

  • G10H5/08 - tones generated by heterodyning

• US Classifications

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