3276680

Information

• Patent Grant
• 3276680

• References
• Source

• Patent Number

  3,276,680

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1966
  58 years ago

• CPC

  • H04L17/20 - using perforating recorders
  • G06K1/02 - by punching

• US Classifications

  • 234 - Selective cutting