1922439

Information

• Patent Grant
• 1922439

• References
• Source

• Patent Number

  1,922,439

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1933
  90 years ago

• CPC

  • B41F5/06 - with several printing units in sequential arrangement

• US Classifications

  • 270 - Sheet-material associating
  • 101 - Printing