3851152

Information

• Patent Grant
• 3851152

• References
• Source

• Patent Number

  3,851,152

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • G06K21/04 - in which coincidence of markings is sensed optically
  • G06K7/04 - by mechanical means

• US Classifications

  • 235 - Registers