2189649

Information

• Patent Grant
• 2189649

• References
• Source

• Patent Number

  2,189,649

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  84 years ago

• CPC

  • B41J11/60 - Erasing or correcting tables

• US Classifications

  • 400 - Typewriting machines