3452208

Information

• Patent Grant
• 3452208

• References
• Source

• Patent Number

  3,452,208

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1969
  56 years ago

• CPC

  • G01L9/0097 - using photoelectric means
  • G01F23/292 - Light

• US Classifications

  • 250 - Radiant energy
  • 073 - Measuring and testing
  • 340 - Communications: electrical