3809947

Information

• Patent Grant
• 3809947

• References
• Source

• Patent Number

  3,809,947

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • H03K4/92 - having a waveform comprising a portion of a sinusoid

• US Classifications

  • 315 - Electric lamp and discharge devices: systems