1833133

Information

• Patent Grant
• 1833133

• References
• Source

• Patent Number

  1,833,133

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1931
  93 years ago

• CPC

  • B41F9/002 - Sheet printing presses
  • B41F31/07 - for rotogravure

• US Classifications

  • 101 - Printing