959051

Information

• Patent Grant
• 959051

• References
• Source

• Patent Number

  959,051

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1910
  114 years ago

• CPC

  • G01J1/60 - by measuring the pupil of the eye

• US Classifications

  • 356 - Optics: measuring and testing