1809384

Information

• Patent Grant
• 1809384

• References
• Source

• Patent Number

  1,809,384

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  94 years ago

• CPC

  • B41F5/08 - with several printing units in both superimposed and sequential arrangement

• US Classifications

  • 270 - Sheet-material associating