3849644

Information

• Patent Grant
• 3849644

• References
• Source

• Patent Number

  3,849,644

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1974
  50 years ago

• CPC

  • H01J43/26 - Box dynodes

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices