3823326

Information

• Patent Grant
• 3823326

• References
• Source

• Patent Number

  3,823,326

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • G06K7/10871 - randomly oriented data-fields, code-marks therefore
  • B61L25/041 - using reflecting tags

• US Classifications

  • 250 - Radiant energy