3586444

Information

• Patent Grant
• 3586444

• References
• Source

• Patent Number

  3,586,444

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1971
  53 years ago

• CPC

  • G01N21/958 - Inspecting transparent materials or objects
  • G02B27/54 - Schlieren-optical systems

• US Classifications

  • 356 - Optics: measuring and testing