3333357

Information

• Patent Grant
• 3333357

• References
• Source

• Patent Number

  3,333,357

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1967
  58 years ago

• CPC

  • G09B5/02 - with visual presentation of the material to be studied
  • Y10S430/152 - Making camera copy

• US Classifications

  • 356 - Optics: measuring and testing
  • 353 - Optics: image projectors
  • 430 - Radiation imagery chemistry: process, composition, or product thereof