3754212

Information

• Patent Grant
• 3754212

• References
• Source

• Patent Number

  3,754,212

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

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

• US Classifications

  • 235 - Registers
  • 250 - Radiant energy