2331331

Information

• Patent Grant
• 2331331

• References
• Source

• Patent Number

  2,331,331

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1943
  81 years ago

• CPC

  • B41J35/30 - Manifolding or like arrangements

• US Classifications

  • 400 - Typewriting machines