3683667

Information

• Patent Grant
• 3683667

• References
• Source

• Patent Number

  3,683,667

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • B44B5/0057 - using more than one die assembly simultaneously

• US Classifications

  • 072 - Metal deforming