3490588

Information

• Patent Grant
• 3490588

• References
• Source

• Patent Number

  3,490,588

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  54 years ago

• CPC

  • G06K21/04 - in which coincidence of markings is sensed optically

• US Classifications

  • 209 - Classifying, separating, and assorting solids