3717785

Information

• Patent Grant
• 3717785

• References
• Source

• Patent Number

  3,717,785

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  52 years ago

• CPC

  • H01J29/806 - Electron lens mosaics
  • H01J37/12 - electrostatic
  • H01J37/317 - for changing properties of the objects or for applying thin layers thereon

• US Classifications

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