2812444

Information

• Patent Grant
• 2812444

• References
• Source

• Patent Number

  2,812,444

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1957
  67 years ago

• CPC

  • H01J25/76 - Dynamic electron-multiplier tubes

• US Classifications

  • 250 - Radiant energy
  • 330 - Amplifiers