2979822

Information

• Patent Grant
• 2979822

• References
• Source

• Patent Number

  2,979,822

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  63 years ago

• CPC

  • G01M11/062 - using an indicator mounted on the head-light

• US Classifications

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