2798978

Information

• Patent Grant
• 2798978

• References
• Source

• Patent Number

  2,798,978

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1957
  67 years ago

• CPC

  • H03K17/88 - using beam-deflection tubes

• US Classifications

  • 315 - Electric lamp and discharge devices: systems