3788747

Information

• Patent Grant
• 3788747

• References
• Source

• Patent Number

  3,788,747

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

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

• US Classifications

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