3426424

Information

• Patent Grant
• 3426424

• References
• Source

• Patent Number

  3,426,424

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  55 years ago

• CPC

  • H04R23/006 - using solid state devices
  • Y10S438/912 - Displacing pn junction

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 257 - Active solid-state devices
  • 310 - Electrical generator or motor structure