3812325

Information

• Patent Grant
• 3812325

• References
• Source

• Patent Number

  3,812,325

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • B61L25/041 - using reflecting tags
  • G06K7/12 - using a selected wavelength

• US Classifications

  • 235 - Registers