3812365

Information

• Patent Grant
• 3812365

• References
• Source

• Patent Number

  3,812,365

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • H01J37/14 - magnetic
  • H01J37/143 - Permanent magnetic lenses

• US Classifications

  • 250 - Radiant energy