3912397

Information

• Patent Grant
• 3912397

• References
• Source

• Patent Number

  3,912,397

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • G01S3/787 - using rotating reticles producing a direction-dependant modulation characteristic

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy