3837456

Information

• Patent Grant
• 3837456

• References
• Source

• Patent Number

  3,837,456

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • B41F5/02 - for printing on sheets
  • B41J3/39 - hand-held

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing