3770352

Information

• Patent Grant
• 3770352

• References
• Source

• Patent Number

  3,770,352

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  50 years ago

• CPC

  • G01N21/43 - by measuring critical angle
  • H01S3/121 - Q-switching using mechanical devices

• US Classifications

  • 356 - Optics: measuring and testing