3859507

Information

• Patent Grant
• 3859507

• References
• Source

• Patent Number

  3,859,507

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  49 years ago

• CPC

  • G07B1/02 - employing selectable printing plates
  • G06K5/00 - Methods or arrangements for verifying the correctness of markings on a record carrier Column detection devices

• US Classifications

  • 235 - Registers