3646268

Information

• Patent Grant
• 3646268

• References
• Source

• Patent Number

  3,646,268

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • H04L13/186 - Page printing; tabulating

• US Classifications

  • 178 - Telegraphy
  • 400 - Typewriting machines