3623426

Information

• Patent Grant
• 3623426

• References
• Source

• Patent Number

  3,623,426

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • G06K1/121 - by printing code marks
  • B41L45/02 - using printing plates

• US Classifications

  • 101 - Printing