3706909

Information

• Patent Grant
• 3706909

• References
• Source

• Patent Number

  3,706,909

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1972
  52 years ago

• CPC

  • H01J29/66 - using electromagnetic means only

• US Classifications

  • 315 - Electric lamp and discharge devices: systems