2738412

Information

• Patent Grant
• 2738412

• References
• Source

• Patent Number

  2,738,412

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1956
  69 years ago

• CPC

  • G01C17/24 - Illumination

• US Classifications

  • 362 - Illumination
  • 033 - Geometrical instruments