3405637

Information

• Patent Grant
• 3405637

• References
• Source

• Patent Number

  3,405,637

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1968
  56 years ago

• CPC

  • B41K3/58 - using ink ribbons, ink sheets, or carbon tape or paper

• US Classifications

  • 101 - Printing