3020840

Information

• Patent Grant
• 3020840

• References
• Source

• Patent Number

  3,020,840

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • B41F31/14 - Applications of messenger or other moving transfer rollers
  • B41F31/12 - adjustable for regulating supply

• US Classifications

  • 101 - Printing