3815493

Information

• Patent Grant
• 3815493

• References
• Source

• Patent Number

  3,815,493

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • B44B5/0014 - and rotating workpieces
  • B41F17/22 - by rolling contact

• US Classifications

  • 101 - Printing
  • 072 - Metal deforming