3898742

Information

• Patent Grant
• 3898742

• References
• Source

• Patent Number

  3,898,742

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1975
  49 years ago

• CPC

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

• US Classifications

  • 033 - Geometrical instruments