963072

Information

• Patent Grant
• 963072

• References
• Source

• Patent Number

  963,072

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1910
  114 years ago

• CPC

  • G01J1/28 - using variation of intensity or distance of source

• US Classifications

  • 356 - Optics: measuring and testing