1096642

Information

• Patent Grant
• 1096642

• References
• Source

• Patent Number

  1,096,642

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1914
  110 years ago

• CPC

  • G01C3/16 - Measuring marks

• US Classifications

  • 356 - Optics: measuring and testing
  • 033 - Geometrical instruments