2787419

Information

• Patent Grant
• 2787419

• References
• Source

• Patent Number

  2,787,419

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  67 years ago

• CPC

  • G06G1/0042 - for optics, for photography
  • G01J1/42 - using electric radiation detectors

• US Classifications

  • 235 - Registers