2226648

Information

• Patent Grant
• 2226648

• References
• Source

• Patent Number

  2,226,648

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • H03K4/39 - using a tube operating as an amplifier

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems