2795168

Information

• Patent Grant
• 2795168

• References
• Source

• Patent Number

  2,795,168

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1957
  67 years ago

• CPC

  • G01J1/126 - for enlarging apparatus

• US Classifications

  • 356 - Optics: measuring and testing