3517612

Information

• Patent Grant
• 3517612

• References
• Source

• Patent Number

  3,517,612

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • G06K1/121 - by printing code marks
  • G06F15/10 - Tabulators

• US Classifications

  • 101 - Printing