2903648

Information

• Patent Grant
• 2903648

• References
• Source

• Patent Number

  2,903,648

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1959
  65 years ago

• CPC

  • G10H5/10 - using generation of non-sinusoidal basic tones

• US Classifications

  • 331 - Oscillators
  • 116 - Signals and indicators
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices
  • 984 - Musical instruments