3480763

Information

• Patent Grant
• 3480763

• References
• Source

• Patent Number

  3,480,763

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

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

• US Classifications

  • 235 - Registers
  • 250 - Radiant energy