3754817

Information

• Patent Grant
• 3754817

• References
• Source

• Patent Number

  3,754,817

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1973
  51 years ago

• CPC

  • G06K17/0006 - with random access selection of a record carrier from the card-file

• US Classifications

  • 353 - Optics: image projectors
  • D16 - Photography and optical equipment